2004

TECHNICAL NEWS

GEAR HUB SYSTEMS MTB COMPONENTS&

ENGLISH This Technical News are intended for bicycle factories and wholesalers only!

© Copyright SRAM Corporation 2003 Publ. No. 2009 E Information may be enhanced without prior notice. Released March 2003 SRAM Technical Documentation Schweinfurt/Germany

EXA-Drive is a trademark of Campagnolo S.R.L., Italia. Grilon is a trademark of EMS-Chemie AG, Switzerland. MAGURA is a trademark of MAGURA GmbH & Co., Germany HAYES is a trademark of der HAYES BRAKE Inc., U.S.A. Shimano, HG, IG, Rapid Rise are trademarks of Shimano Inc., Japan. CONTENTS GEAR HUB SYSTEMS & MTB COMPONENTS

GEAR HUB SYSTEMS

DualDrive 3 New 21 speed system added

Sparc 9 New shifter and Clickbox (since October 2002)

MTB COMPONENTS

X.9 / X.7 / 5.0 · Rear derailleurs 13 New design

X.9 / X.7 · Twist shifters 16 New design

4.0 Pro / MRX Pro · Twist shifters 18 9 speed versions added

3.0 Comp / MRX Comp · Twist shifters 20 All new

X.9 / X.7 / Rocket / Attack · Trigger shifters 22 All new

PG 990 / PG970 / PG 950 / PG 850 / PG 830 / PG 730 · Cassettes 24 PG 990 formerly 9.0 / PG 970 formerly 7.0 / PG 850 formerly 5.0 / PG 830 formerly 3.0

PC 38 Saltshaker / PC 38 · Power Chains 28 New specifications

Technical News 2004 1 2 Technical News 2004 DUALDRIVE TECHNICAL DATA /ASSEMBLY REQUIREMENTS

• Expanded gear range • Efficient design • Stand-still shifting (mode selector) • Single chainring design • Sealed system • Easy wheel removal • ESP 1:1 actuation ratio technology 182.6 • Improved material use 135 • Outward facing limit screws 67.5 • Low system weight Chainline 4.6/4.6/9.5

33 18 67

Caution: Not suitable for tandems, trademen’s delivery bicycles and similar.

Cycle frame: The strength must be such that with a maxi- mum braking torque of 250 Nm (2200 in.lbs.) on the rear wheel no residual deformation can occur on the rear structure.

DualDrive · without brake DualDrive · disc brake compatible Version (Speeds) DualDrive 27 DualDrive 24 DualDrive 21NEWNEW DualDrive 27 DualDrive 24 DualDrive 21 NEWNEW Brake None Interface for Disc brakes Over Locknut Dim. 135 mm 135 mm Length 182.6 mm 182,6 mm

Axle Ends Diameter FG 10.5 FG 10.5 Holes 36 or 32 36 or 32 36 32 28 Hole Diameter 2.6 mm 2.6 mm 2.6mm 2.8mm Hole Ref. ø Spoke 67 mm 67 mm 1 Flange Dist. to /2 OLD 33 mm / 18 mm 33 mm / 18 mm Totally 576% (27spd) 542% (24spd) 509% (21spd) 576% (27spd) 542% (24spd) 509% (21spd) H Totally hub 186% ➔ U Speed 1 73% ➔ Ratio B Speed 2 100% ➔ S Speed 3 136% ➔ Chainline 45 mm 45 mm 42 mm 45 mm 45 mm 42 mm Crankset 33 / 38 Teeth ➔ Cogset 11-34 Teeth 11-32 Teeth 12-32 Teeth 11-34 Teeth 11-32 Teeth 12-32 Teeth Cogset Compatib. DualDrive 27 DualDrive 24 DualDrive 21 DualDrive 27 DualDrive 24 DualDrive 21 Shifter Compatib. DualDrive 27 DualDrive 24 DualDrive 21 DualDrive 27 DualDrive 24 DualDrive 21 Sealing Extra sealed ➔ Tandem compatib. —— Disc compatib. — SRAM / Magura / Hayes / Shimano Weight 970 g 970 g Hub Shell Aluminum Aluminum

Finish Shifting device Composite Composite

Technical News 2004 3 DUALDRIVE TECHNICAL DATA /ASSEMBLY REQUIREMENTS

DualDrive 27 DualDrive 24 DualDrive 21 NEWNEW Speeds 987 D Shifter Compatibility DualDrive 27 DualDrive 24 DualDrive 21 E Cage Length Short, 75 mm Short, 75 mm Short, 75 mm R Sprocket, max. 34 Teeth 32 Teeth 32 Teeth A Sprocket, min. 11 Teeth 11 Teeth 11 Teeth I Pulleys Exchangeable / Bushing Exchangeable / Bushing Exchangeable / Bushing L Direct Mount L Weight 258 g 265 g 265 g E Upper Knuckle Aluminum Grilon Composite silver Grilon Composite black Lower Knuckle U Grilon Composite silver Grilon Composite silver Grilon Composite black Outer Link Aluminum Grilon Composite silver Grilon Composite black R

Design Inner Link Steel / Zinc coat Steel / Zinc coat Steel / Zinc coat S Outer Cage Forged Aluminum Grilon Composite black Steel black Inner Cage Grilon Composite black Grilon Composite black Grilon Composite black Hanger Bolt Aluminum Steel Steel

DualDrive 27 DualDrive 24 DualDrive 21 NEWNEW C Part No. ——— A Largest Cog 34 Teeth 32 Teeth 32 Teeth S Speeds 987 S Cogs 11/12/14/16/18/21/24/28/34 11/12/14/16/18/21/26/32 12/14/16/18/21/26/32 E Spacers Blue Black Grey T Chain compatib. 9spd, HG/IG/PGII comp. 8spd, HG/IG/PGII comp. 7spd, HG/IG/PGII comp. T Weight 320 g 270 g 310 g E Cogs SAPH 440 steel ➔ SAPH 440 steel / 1008 steel S Screws Steel / Zinc Coat ➔ ➔ Design Finish Matte Nickel Plated Chrome Chrome

DualDrive 27 DualDrive 24 DualDrive 21NEWNEW Lefthand Part No. — ❘ — ❘ — ❘ — ❘ —— Clickbox Cable 1400mm ❘ 1500mm ❘ 1600mm ❘ 1700mm ❘ 2100mm see Price list Shifter Type SRS Twistring-Thumbshifter-Combo (2in1) Twist shifter Arrangement Handlebar, right left (right: use 5.0 shifter) Gear Hub DualDrive DualDrive pat. S Com- Derailleur DualDrive 27 ❘ DualDrive 24 ❘ DualDrive 21 DualDrive 27 / 24 / 21 H Gear Indication Der. Window ❘ Printed ❘ Printed Printed I Riding Mode Indic. Printed ❘ Printed ❘ Printed Printed F Barrel Adj. Gear Hub None Indexing T Barrel Adj. Derailleur Indexing see 5.0 shifter E Clamping Diameter 22.3mm 22.3mm Handlebar, Straight Area Minimum length = 150mm N/A R Cable Routing, Gear Hub Continuous housing (preassembled) Continuous housing (preassembled) S Cable Routing, Der. Open or continuous Open or continuous Weight N/A N/A Cables Stainless steel Stainless steel Housing Glass filled PA – Silver painted Glass filled PA Grip Cover Thermoplastic elastomer, Overmolded Thermoplastic elastomer, Overmolded Design Clamping Collar Aluminum Aluminum Clickbox Composite Composite

4 Technical News 2004 DUALDRIVE TECHNICAL DATA /ASSEMBLY REQUIREMENTS

Cable routing 1 DualDrive 27 / DualDrive 24 / DualDrive 21 Hub cable Along chainstay only 1 Derailleur cable Along chainstay only

2

3 Cable attachement see Fig. 1 Cable housing Attachement points Cable stops 5 4 Hub Continuous 1 / 2 / 3 / 4 (see Fig. 1) — Derailleur Continuous 1 / 2 / 3 / 4 / 5 (see Fig. 1) — Open — 1/5 (Fig. 1)

2 CABLE HOUSING FOR DERAILLEUR Rear cable stop position Rear housing length

200

180

160

140

120 X

R2 L (mm) 100 L 90 100 110 120 130 R1 X (mm) 90˚ ➔ X Length X min. 90 mm. Example: Distance X = 100 mm cable A Cable stop below or beside chainstay. housing length L = 140 – 165 mm.

CABLE HOUSING CRANKSET 3 • Use only new high quality cable and Bicycle without chain case: 15 com-pressionless cable housing with Use a chain guard disc (at the outer end caps. surface of chainring, material no resin) • When choosing cable housing lengths, Use only standard chainring version (non- 14 be sure to allow enough housing for an shifting teeth).

60 extreme turn of the handlebars in both Chainline = 45 mm. directions.

13 45 32 • Note also, that different stem lengths

25 Ask for recommended DualDrive-cranks at: and cable stop positions effects cable • Truvativ housing length. http://www.truvativ.com • Tien Hsin Industries DROPOUT http://www.thindustries.com Only flat and no off-set versions. Dropout thickness: 7 – 8 mm. CHAIN GUIDE FORK Vertical or horizontal dropout slot. It prevents chain from jumping off front Dropouts must be parallel. 4 chainring, is bolted inside the chain Dropout dimensions: see Fig. 2 and 3. case (1, Fig. 4).

L X A R1 R2 28 6–10 25˚– 30˚ 8.5 max 11.5–13.5 HANDLEBAR 30 7.5–10 25˚– 30˚ 8.5 max 11.5–13.5 Diameter: 22.3 mm. Minimum length of straight area for shifter: 150 mm. 1 Check the compatibility of intended handlebars and brake levers. dA max. 220 mm

Technical News 2004 5 DUALDRIVE ASSEMBLY

ASSEMBLY HUB ASSEMBLY SHIFTER 1 1 2 • Lace the wheel as normal. • Slide the shifter (1, Fig. 6) onto the 3 • Place spoke protector disc (1, Fig. 1) on handlebar. shoulder of hub, fit cassette (2) onto • Rotate the shifter until the barrel driver profile. Screw lock nut (3) with adjuster (4) is beneath (but out of the cassette tool (Park Tool FR-5 or SRAM way of) the brake lever. Part No. 4624 411 010), tightening torque: • Tighten the 3 mm hex clamp bolt (2) to 40 Nm (350 in.lbs.). 1.9 – 2.5 Nm (17 – 22 in.lbs.). • Screw shifting rod (1, Fig. 2) into the hub • Slide the handlebar grip (3) onto the axle and tighten it with 0.2 Nm (1.8 in.lbs.). handlebar. • Fit wheel in dropouts. 2 • Place retaining washers (Fig. 2) on both Caution: sides of the axle – the serrations must • Never use lubricants or solvents to in- bear against the dropout. stall handlebar grips. – Version for horizontal dropouts (2): the Handlebar grips provide an axial safety lug must engage in the dropout slot. function. For this reason, they should be – Version for vertical dropouts (3): mounted in such a way as to make sure 2 without lug. they do not slip off handlebar. • Tighten up axle nuts. Tightening • Check that the shifter and brake lever 1 torque 30 – 40 Nm (266 – 350 in.lbs.). function properly and are unobstructed 3 0,2 Nm (realign) if necessary). 1,8 in.lbs. ASSEMBLY DERAILLEUR 3 Advice: INSTALLING CLICKBOX Check the rear derailleur hanger • Fit the cable and avoid small radius. alignment. A bent rear derailleur hanger • Cable attachment points see Page 5 / will result in inaccurate index shifting. Fig. 1. • Attach the rear derailleur to the frame’s Cable housing must be movable inside 5 mm rear derailleur hanger using a 5 mm hex attachment. 8 – 10 Nm head wrench (Fig. 3). • Place shift lever in uphill riding mode / 70 – 85 in.lbs. • Check that the b-adjust washer tab gear position „1“ (Fig. 7). (b-adjust screw at DualDrive 24/21) is • Push Clickbox button down (Fig. 7). clear of the rear derailleur dropout tab • Push on Clickbox to the stop on the hub (Fig. 4). axle. • Tighten the 5 mm hex hanger bolt to • Press button up. 8 – 10 Nm (70–85 in.lbs.). • Place thumb shift lever in standard riding mode / gear position „2“ (Fig. 8). • Match up the marks in the Clickbox 4 CHAIN LENGTH viewing window by twisting the • Bypassing the rear derailleur, run the barrel adjuster (Fig. 8). chain around the largest cog/large chainring combination (Fig. 5). – For rear suspension frames, position the rear suspension for the greatest DualDrive 24/21 chain length required. • Add 4 LINKS or 3 link + Connecting Link DualDrive 27 to this length for proper chain length.

5

(4 Links)

6 1 3

2

4

6 Technical News 2004 DUALDRIVE ASSEMBLY

DERAILLEUR ADJUSTMENT Index shifting adjustment: 7 Limit screw adjustment: • Check that the chain and the rear • View the rear derailleur and pulleys from derailleur are in the smallest cog position. behind the rear of the bicycle (Fig. 9). • Measure and cut the rear piece of • Using a small screwdriver, turn the limit cable housing. Make sure that it is not screw marked ’H’ on the outer link of the too short or long (see page 5 for figure derailleur to align the upper guide pulley and chart). center with the outboard edge of the • Rotate the twist shifter until the largest smallest cog – clockwise moves the number and gear indication tab/dash guide pulley inboard towards the wheel. line up. • While turning the crank, push the rear • Turn the twist shifter barrel adjuster (4, derailleur towards the larger cogs by hand. Fig. 6) clockwise fully into the shifter, • Align the upper guide pulley under the then turn counterclockwise 1 full turn. largest cog, center to center, by turning • Feed the shifter cable through the rear the limit screw marked ’L’ on the outer derailleur cable housing, stops and link – clockwise moves the guide pulley cable guides. outboard away from the spokes. • Feed the rear derailleur cable through the rear derailleur-housing stop and 8 Chain gap adjustment: through the cable guide on the fin. Chain gap is the distance between the upper • Pull the cable tight and position it guide pulley and the cog the chain is riding under the cable anchor washer (Fig. 11). on. Optimal chain gap is small enough to • Tighten the 5 mm hex cable anchor bolt allow quick, efficient shifts to and from any to 4 – 5 Nm (35–45 in.lbs.). cog, but large enough to allow smooth • Rapidly shift the chain and derailleur up shifts to and from the largest cog. and down the cassette several times. If the cable slips repeat the two former steps. • Shift chain to the small chain ring. • Shift the chain to the smallest cog. • While turning the crank, push the rear • While pedaling, move the shifter up one derailleur inboard by hand to the largest detent. cog. – If the chain hesitates or does not shift • Hold the derailleur in this position while to the second cog, increase the cable making the following adjustment. tension by turning the shifter barrel • Use a 3 mm hex wrench, turn the b-adjust adjuster counterclockwise. screw until the chain gap equals – If the chain shifts beyond the second cog, 1 approximately 6 mm ( /4”) from tip of the decrease the cable tension by turning 9 cog to tip of upper guide pulley (Fig. 10). the shifter barrel adjuster clockwise. • Repeat the two former steps until – Turn the b-adjust screw clockwise to shifting and cable tension is accurate. increase the chain gap. • While turning the crank, shift the chain – Turn the b-adjust screw counterclock- up and down the cassette and chain wise to decrease the chain gap. rings several times to ensure that your derailleur is indexing smoothly. Advice: Do not use the b-adjust screw to adjust the rear derailleur to act as a chain- tensioning device or to prevent chain suck. This increases the chain gap causing poor shifting performance.

10 11

6 mm 1 ( /4")

5 mm 3 mm 4 – 5 Nm 35 – 45 in.lbs.

Technical News 2004 7 8 Technical News 2004 SPARC TECHNICAL DATA /ASSEMBLY REQUIREMENTS

190 205 135 33.5 194 4055 40

16 25

30 2.7

° 185

8.6

Caution: Not suitable for tandems, tradesmen’s 12.5 67.5 49.5 delivery bicycles and similar.

Sparc hub S Sparc Shifter NEWNEW Version Europe 28" Europe 20" USA 26" H Part. No. — ❘ — ❘ — ❘ — Econ Mode 18 km/h 18 km/h 14 mph I Shifter Type Twist Shifter Speed Mode 24 km/h 24 km/h 18 mph Cable (mm) 1500 1600 1700 1900 V max. F ❘ ❘ ❘ Engine Type 2 x 12V DC engines T Gear Indication Window Power 2 x 100 W max. Clamping Diameter 22.3mm Assist Type Pedal controlled E Handlebar, Straight Area Minimum length = 150mm R Electric Drive Assist Ratio Econ / Speed Weight 89 g Brake None Over Locknut Dim. 135mm Sparc Remote Control Unit Length 190mm R Part. No. — ❘ — ❘ — ❘ — ❘ — ❘ — Axle Ends Diameter FG 10.5 E Cable (mm) 1500 1600 1700 1800 2000 2200 H Holes 36 M ❘ ❘ ❘ ❘ ❘ . Mode Selector Off / Econ / Speed U Hole Diameter 2.9 mm

Spoke Mode Indication Printed B Hole Reference ø 194mm C Clamping Diameter 22.3mm Totally 249% O Cable Connection 3.5 mm stereo jack Speed 1 63% N . Weight 45 g Speed 2 78% Speed 3 100% Speed 4 128% Sparc Battery Box Gear Hub Ratio Speed 5 158% B Part No. — ❘ — ❘ — ❘ — ❘ — ❘ — 1 1 1 3 Usable Dimension /2"x /8" or /2"x /32" A Cable (mm) 650 ❘ 750 ❘ 850 ❘ 1400 ❘ 1650 1950 . ❘ Line 49.5 mm (only off-set sprockets) Battery 12V / 7Ah lead battery Chain Ratio 1.7–1.9 2.3–2.6 1.8–2.6 B Charger 12V / 1.5A 12V / 2.0A Shifter Compatib. Sparc Shifter O Charging time 4 hours 45 minutes 3 hours 30 minutes Frame Compatib. Dropouts max. 7 mm / OLD 135 mm X Luggage carrier comp. Struts: ø 8 mm / dist. 68 mm center to center / parallel Weight 2500g Weight 3000 g

Technical News 2004 9 SPARC ASSEMBLY

LACING THE WHEEL ASSEMBLY SHIFTER 1 12 Version Europe 28" / USA 26": Advice: 1-cross only. • Contrary to the old shifter version the All spoke heads must be positioned at the shifter cable of the new version runs outside of the spoke flange. above the brake lever. Maybe you need Spoke tension about 1000 N recommended. 50 mm more cable length. • When choosing cable housing lengths, Version Europe 20": be sure to allow enough housing for an • 1-cross: extreme turn of the handlebars in both Use only rim „Rigida 20x406 59 (L 01 12 E)“ directions. 2 (or contact SRAM). • Note also, that different stem lengths 4 3 5 All spoke heads must be positioned at the and handlebar positions effects cable outside of the spoke flange. housing length. 6 Spoke tension about 1000 N recommended. • Slide shifter (1, Fig. 7) onto handlebar. • Radial lacing: • Mount fixed grip (2) onto end of handlebar. No restrictions. • Slide shifter against fixed grip, adjust Mounting Tool Part No. 0582 104 000 Spoke tension about 1000 N recommended. shifter on handlebar and tighten with bolt (3) with a torque of 1.5 Nm (13 in.lbs.).

ASSEMBLY HUB Caution: 3 • Place the dust cap (1, Fig. 1) and • Never use lubricants or solvents to 8 7 sprocket (2) on the driver. Toothing close install fixed grips. to the hub (only sprocket version off-set). Fixed grips provide an axial safety 9 • Push sprocket circlip (3, Fig. 2) onto the function. For this reason, they should be cone of tool sleeve (4). Place tool sleeve mounted in such a way as to make sure with large diameter on the driver. they do not slip off handlebar. • Push the spring end of sliding sleeve (5) • Check that the shifter and brake lever 10 of the tool over the tool sleeve. Thrust function properly and are unobstructed sliding sleeve in direction (6), this forces (realign if necessary). circlip into the recess of the driver. • Remove tool and check that the circlip is • When fitting the cable (1, Fig. 8) avoid 4 5 seated correctly. small radius. • Turn dust cap (7, Fig. 3) until the three • Last attachment point is on the lower lugs (8) are between the three beads (9) rear wheel fork (2, Fig. 8) immediately on the sprocket (10). behind the chain wheel. • Position dust cap and push towards Cable housing must be movable inside sprocket until it is felt to lock into place. attachment. • Placing the wheel in the rear frame. Advice: 1 Dropouts must be parallel. INSTALLING CLICK BOX • Mount the chain. • Insert shift rod (1, Fig. 9) in shift tube (2) • Fit retaining washers (1, Fig. 4) on both (oil parts lightly) and then push into axle 6 axle ends. The serrations must bear bore as far as the stop. Turn slot (6) in shift against the dropout and the lug must tube to a position where it is easily visible. engage in the dropout slot. • Push locating sleeve (3) with guiding rib In case of to little space e.g. by thick dro- (4) to the front onto the hub axle – making pouts, both retaining washers should be sure that the internal lug (5) is guided in assembled on the left axle end (Fig. 5). the slot (6) of the shift tube until it can be • On the sprocket side fit the protective felt – and heard – to engage. bracket (1, Fig. 6) directly below the • Turn locating sleeve on the axle (7) until the axle nut. Tightening torque on acorn or guiding rib (4) is facing roughly upwards. 1 axle nuts 30 – 40 Nm (266 – 350 in.lbs.). • Place shifter in gear position “2“. • Push on clickbox (2, Fig. 6) to the stop on 3 2 Advice: the axle. The guiding rib (4, Fig. 9) of the • If a different protective bracket is used locating sleeve thereby engages in the the thickness of the attachment plate slot on the housing. In the end position must be max. 3 mm. tighten up the knurled bolt (3, Fig. 6) by 7 4 • Do not use additional washers. hand (0,3 Nm / 2,7 in.lbs.). 5 • At least the beginning of the axle thread must be visible in front of the axle nut. ADJUSTMENT HUB 3 2 • Be sure to reset rotational shifter from 1 4th. to 3rd gear. NEWNEW • Match up the arrow marks in the Clickbox viewing window (4, Fig. 7) by turning the adjusting screw (5).

10 Technical News 2004 SPARC ASSEMBLY

ASSEMBLY BATTERY BOX ASSEMBLY REMOTE 8 • Pull both quick releases outward and CONTROL UNIT turn them to the „open“ position (Fig. 10). • Slide remote control unit (1, Fig. 11) onto 1 • Position battery box onto luggage handlebar. 23 carrier struts (3, Fig. 8). • Mount brake lever (2) and fixed grip (3). • Push quick releases inwards and turn • Adjust remote control unit on handlebar them to the „closed“ position. and tighten the bolt (4) with a torque of • Slide plug of battery cable in the slot of 1.5 Nm (13 in.lbs.). the battery box until it snaps in. • Slide plug of remote control cable in the • Attach cable along the frame or luggage slot (5) of the remote control unit until it carrier strut. snaps in. Advice: • Attach cable along the frame. Last attachment point of the cable at the Advice: rear fork: approx. 8 cm away from the Last attachment point of the cable at the axle end. rear fork: approx. 8 cm away from the Do not jam the cable between frame axle end. and rear hub and keep it away from the Do not jam the cable between frame rotating hub shell. and rear hub. 9 • Slide plug in the slot on the hub until it Make a cable loop between plug and snaps in. cable attachment point to avoid tensile load. 7 Advice: • Slide the plug straightly in the slot on the Closed elements such as brazed-on eye hub until it snaps in. bolts are not suitable because plug will 6 Angular installation may damage the 4 not pass through. slot.

Check: STORING THE BATTERY 2 Switch remote control to „Speed“ position 1 The battery box should be stored fully and rotate the rear wheel. 3 5 charged in a dry and cool place. At least 2 green and 1 red LED must gleam. All batteries are shipped with an additional If not, assemble plugs again completely. documentation about the last charging If not, assemble plugs again completely / date within our SRAM facility. This right. 10 documentation of battery charging also allows you to fill in the dates of additional charge actions that you would need to perform if the batteries stay in your warehouse over a longer period of time. You can identify the next necessary charge date at a glance (at least 6 months after last charge).

closed open

11

2 3 1

5 1 4

Technical News 2004 11 12 Technical News 2004 X.0 / X.9 / X.7 / 5.0 / 4.0 / 3.0 · REAR DERAILLEURS TECHNICAL DATA /ASSEMBLY REQUIREMENTS 1:1

X X.0 X.9NEWNEW X.7NEWNEW 5.0NEWNEW 4.0 3.0 . Part No. —————— 0 Speeds 9/8 9/8 9/8 8 9/8/7 ➔ ➔ X Shifter Compatibility SRAM X.0 / 9.0 / 7.0 / 5.0 / 4.0 / 3.0 . Total 37 T 45 T 45 T 45 T 45 T 45 T 9 Cage Length Medium Long Long Long Long Long Max Sprocket 34 T 34 T 34 T 34 T 34 T X Min Sprocket . 11 T 11 T 11 T 11 T 11 T Chain Capacity 7 Front Difference 22 T 22 T 22 T 22 T 22 T Parallelogram Spring Titanium Steel Steel Steel Steel 5 Pulleys Cartr. bearing, stainless Cartr. bearing Bushing, hardened Bushing, hardened Bushing . Cogsets & Chains SRAM/IG & HG 9/8spd SRAM/IG & HG 9/8spd SRAM/IG & HG 9/8spd SRAM/IG & HG 8spd SRAM/IG & HG 8spd 0 Direct Mount Yes Yes Yes Yes Yes Weight 4 205 g 210 g 270 g 265 g 320 g 285 g 275 g . Upper Knuckle Forged Aluminum / Anod. Aluminum Aluminum Aluminum Aluminum Composite 0 Outer Link Forged Aluminum Forged AL / Anodized Alu die-cast / Painted Grilon Composite Grilon Composite Inner Link Aluminum / Anodized Steel / E-coat Steel / E-coat Steel / E-coat Steel / E-coat

3 Design Outer Cage Forged AL / Anodized Forged Aluminum Stamped AL / Anodized Steel / E-coat Steel / E-coat . Inner Cage Forged AL / Anodized Forged Aluminum Grilon Composite Grilon Composite Grilon Composite 0 Hanger Bolt Aluminum / Anodized Aluminum / Anodized Aluminum / Anodized Steel Steel

DERAILLEUR ANATOMY

cable stop frame hanger bolt b-adjust screw

limit screws fin / cable guide

cable anchor bolt

cable anchor washer

COMPATIBILITY 1 Shifters SRAM® X.0, X.9, X.7, 5.0, 4.0, 3.0 shifters ONLY Cogsets 11-30, 11-32, 12-32, 11-34, 12-34 Chains SRAM Power Chain and Shimano® HG & IG TTT Chainrings 22-32-42/44, 24-34-46, 26-36-46/48 Cable 1.1 or 1.2 mm high quality cables D Housing 4 or 5 mm compressionless cable housing with end cap 12.7 mm ± 1 maximum diameter of 5.8 mm.

2 FRAME DIMENSIONS (see figure 1 and 2) • For optimal ESP rear derailleur • For a given L, use the chart below to performance, the recommended rear determine other ESP rear derailleur To bottom derailleur hanger length (L) should be hanger specifications. bracket 28 – 30 mm. center R2 L R1 90˚ L X A R1 R2 T X A 28 6 – 10 25˚– 30˚ 8.5 max 11.5 –13.5 7 – 8 30 7.5 – 10 25˚– 30˚ 8.5 max 11.5 –13.5 7 – 8

Technical News 2004 13 X.0 / X.9 / X.7 / 5.0 / 4.0 / 3.0 · REAR DERAILLEURS ASSEMBLY

ASSEMBLY • Use a 2,5/3 mm hex wrench, turn the b- 1 Advice: adjust screw until the chain gap equals 1 Check the rear derailleur hanger approximately 6 mm ( /4”) from tip of the alignment. A bent rear derailleur hanger cog to tip of upper guide pulley (Fig. 5). will result in inaccurate index shifting. Outboard side impacts are the most – Turn the b-adjust screw clockwise to common causes of this type of damage. increase the chain gap. – Turn the b-adjust screw counterclock- 5 mm • Attach the rear derailleur to the frame’s wise to decrease the chain gap. 8 – 10 Nm rear derailleur hanger using a 5 mm hex 70 – 85 in.lbs. head wrench (Fig. 1). Advice: • Check that the b-adjust washer tab (b- • Bicycles equipped with an 11-28 adjust screw) is clear of the rear cassette may require you to set the derailleur dropout tab (Fig. 2). chain gap at the smallest cog. This is • Tighten the 5 mm hex hanger bolt to due to the shallow angle of the cassette 8 – 10 Nm (70–85 in.lbs.). in relation to the steeper movement of the 9spd rear derailleur. CHAIN LENGTH • It is best to measure the rear piece of A properly measured chain will prevent cable housing between the frame and accidentally shifting to the largest chain derailleur after the chain gap is ring and cog combination. This type of determined. See figure and chart for 2 accidental shifting may cause harmful recommended lengths. binding or seizure of the chain and • Do not use the b-adjust screw to adjust potentially cause severe damage. the rear derailleur to act as a chain- tensioning device or to prevent chain • Bypassing the rear derailleur, run the suck. This increases the chain gap chain around the largest cog/large causing poor shifting performance. chainring combination (Fig. 3). – For rear suspension frames, position INDEX SHIFTING 5.0 / 4.0 / 3.0 the rear suspension for the greatest ADJUSTMENT chain length required. • Check that the chain and the rear • Add 2 LINKS or 1 link + Power Link to derailleur are in the smallest cog position. this length for proper chain length. • Measure and cut the rear piece of cable housing. Make sure that it is not LIMIT SCREWS ADJUSTMENT too short or long (see figure and chart). X.0 / X.9 / X.7 • View the rear derailleur and pulleys from • Rotate the rear shifter until the largest behind the rear of the bicycle (Fig. 4). number and gear indication tab/dash • Turn the limit screw marked ’H’ on the line up. outer link of the derailleur to align the • Turn the rear shifter barrel adjust clock- 3 upper guide pulley center with the out- wise fully into the shifter, then turn board edge of the smallest cog – clock- counterclockwise 1 full turn. wise moves the guide pulley inboard • Feed the rear shifter cable through the towards the wheel. rear derailleur cable housing, stops and + • While turning the crank, push the rear cable guides. derailleur towards the larger cogs by • Feed the rear derailleur cable through (2 Links) hand. the rear derailleur-housing stop and • Align the upper guide pulley under the through the cable guide on the fin. 4 largest cog, center to center, by turning • Pull the cable tight and position it the limit screw marked ’L’ on the outer under the cable anchor washer (Fig. 6). link – clockwise moves the guide pulley • Tighten the 5 mm hex cable anchor bolt outboard away from the spokes. to 4 – 5 Nm (35–45 in.lbs.). – Be careful not to crush or deform CHAIN GAP ADJUSTMENT the cable. Chain gap is the distance between the upper • Rapidly shift the chain and derailleur up guide pulley and the cog the chain is riding and down the cassette several times. If the on. Optimal chain gap is small enough to cable slips repeat the two former steps. allow quick, efficient shifts to and from any • Shift the chain to the smallest cog. cog, but large enough to allow smooth • While pedaling, move the shifter up one shifts to and from the largest cog. detent. – If the chain hesitates or does not shift • Shift chain to the small chain ring. to the second cog, increase the cable • While turning the crank, push the rear tension by turning the shifter barrel derailleur inboard by hand to the largest adjuster counterclockwise. cog. – If the chain shifts beyond the second cog, • Hold the derailleur in this position while decrease the cable tension by turning making the following adjustment. the shifter barrel adjuster clockwise.

14 Technical News 2004 X.0 / X.9 / X.7 / 5.0 / 4.0 / 3.0 · REAR DERAILLEURS ASSEMBLY 1:1

• Repeat the two former steps until • While turning the crank, shift the chain 5 shifting and cable tension is accurate. up and down the cassette and chain rings several times to ensure that your derailleur is indexing smoothly.

6 mm 1 ( /4")

6 mm (1/ ") 4 CHART / LENGTH OF Example: Distance X = 100 mm ➔ cable 2,5 / 3 mm CABLE HOUSINGS housing length L = 140 – 165 mm.

200

180

160

140

120 X

L (mm) 100 80 90 100 110 120 130 X (mm)

6 200

180 Y 160

140

120

L (mm) 100 120 130 140 150 160 170 Y (mm) Caution: It is imperative to respect the values for the correct length of cable housing. 5 mm 4 – 5 Nm (35 – 45 in.lbs.)

TROUBLESHOOTING Problem Cause Remedy Chain jumps from smallest High gear limit screw is not Turn in screw H until the sprocket to frame dropout. adjusted properly. guide pulley is aligned with the smallest sprocket. Difficult or impossible to High gear limit screw is not Unscrew screw H until the X.0 X.9/X.7/5.0 4.0/3.0 shift chain onto smallest adjusted properly. guide pulley is aligned with sprocket. the smallest sprocket. Chain jumps over largest Low gear limit screw is not Turn in screw L until the sprocket and falls between adjusted properly. guide pulley is aligned with 7 lubricate the shifting the spokes and largest the largest sprocket. joints regularly sprocket or inner cage Rear derailleur or derailleur Straighten or replace. plate scrapes on spokes. hanger is bent. Delayed shifting. Clearance between guide Adjust b-adjust screw by pulley / sprocket is too large. rotating counterclockwise. Rough shifting behavior. Clearance between guide Adjust b-adjust screw by pulley / sprocket is too small. rotating clockwise. Chain jumps two gears on Shift cable insufficiently Turn barrel adjuster on the small sprocket tensioned. shifter counterclockwise. Delayed shifting onto Shift cable insufficiently Turn barrel adjuster on the larger sprocket tensioned. shifter counterclockwise. when disassembled – Delayed shifting onto Shift cable is too tight. Turn barrel adjuster on the use a waterproof grease smaller sprocket shifter clockwise. Excessive cable friction, Lubricate or replace cable pinched or poorly routed and housing. Check for cable. excessive bending of cable housing.

Technical News 2004 15 X.0 / X.9 / X.7 / ROCKET / ATTACK · TWIST SHIFTERS TECHNICAL DATA /ASSEMBLY REQUIREMENTS

X.0 X.9 NEWNEW Version Shorty Shorty Shorty Shorty Shorty Shifter Type Front / Micro adjust Front / Index Rear 1:1 / ESP Front / Micro adjust Front / Index X . Speeds 3 9 ❘ 8 3 0 Derailleur SRAM & Shimano SRAM & Shimano SRAM X.0 / 9.0 / 7.0 / 5.0 SRAM & Shimano SRAM & Shimano pati- bility Com- Crankset Shimano Shimano Shimano Shimano X Cable Pull Release SRS SRS SRS SRS SRS . Cable Teflon Coated➔ ➔ Teflon Coated ➔ 9 Gear Indication Window Window Window Window Window Barrel Adjuster Indexing Indexing Indexing Indexing Indexing Clamping Diameter 22.3mm 22.3mm 22.3mm 22.3mm 22.3mm Shifter Length 70 mm➔ ➔ 70 mm ➔

X. X.9 NEWNEW X.7NEWNEW Rocket 9 Version Shorty Shorty Shorty Shorty Shorty Shifter Type Rear 1:1 / ESP Front / Micro adjust Front / Index Rear 1:1 / ESP Front / Micro adjust X. Speeds 9 ❘ 8 3 9 ❘ 8 7 Derailleur SRAM X.0 / 9.0 / 7.0 / 5.0 SRAM & Shimano SRAM & Shimano SRAM X.0 / 9.0 / 7.0 / 5.0 SRAM & Shimano pati- bility Com- Crankset Shimano Shimano Shimano R Cable Pull Release SRS SRS SRS SRS SRS O Cable Teflon Coated Teflon Coated➔ ➔ Teflon Coated C Gear Indication Window Window Window Window Window K Barrel Adjuster Indexing Indexing Indexing Indexing Indexing E Clamping Diameter 22.3mm 22.3mm 22.3mm 22.3mm 22.3mm T Shifter Length 70 mm 70 mm➔ ➔ 70 mm

R Rocket Attack O Version Shorty Shorty Shorty Shorty Shorty C Shifter Type Front / Index Rear 2:1 Front / Micro adjust Front / Index Rear 2:1 K Speeds 3 9 ❘ 8 3 9 ❘ 8 E Derailleur SRAM & Shimano Shimano SRAM & Shimano SRAM & Shimano Shimano pati- bility T Com- Crankset Shimano Shimano Shimano A Cable Pull Release SRS SRS SRS SRS SRS T Cable Teflon Coated➔ Teflon Coated ➔ ➔ T Gear Indication Window Window Window Window Window A Barrel Adjuster Indexing Indexing Indexing Indexing Indexing C Clamping Diameter 22.3mm 22.3mm 22.3mm 22.3mm 22.3mm K Shifter Length 70 mm➔ 70 mm ➔ ➔

CABLE HOUSING • Use only new high quality cable and compressionless cable housing with end caps. • When choosing cable housing lengths, be sure to allow enough housing for an extreme turn of the handlebars in both directions. • Note also, that different stem lengths and cable stop positions effects cable housing length.

16 Technical News 2004 X.0 / X.9 / X.7 / ROCKET / ATTACK · TWIST SHIFTERS

ASSEMBLY 1:1 2:1

SHIFTER ANATOMY 1 grip clamp bolt 3 2

handlebar grip 4 housing barrel adjuster 5 3 mm 1.9 Nm 1 17 in.lbs.

ASSEMBLY • Feed the cable through the cable 2 Front and Rear: housing and stops. • Slide the shifter onto the handlebar. • Attach cable to the derailleur. 1 – If necessary, move the brake lever to • Adjust indexing per derailleur instruction. allow for shifter and handlebar grip. – Bar end users – don’t forget to leave Caution: room for the bar end. • Always check the front and rear brake • Rotate the shifter until the barrel levers for proper operation. adjuster is beneath (but out of the way If there is interference between shifters of) the brake lever. and brake levers, re-adjust lever and • Tighten the 3 mm hex clamp bolt (1, Fig. 1) shifter placement. to 1.9 Nm (17 in.lbs.). • Check again for proper operation! • Slide the handlebar grip onto the handle- bar. Caution: Never use lubricants or solvents to install handlebar grips. Handlebar grips 3 provide safety function. For this reason, they should be mounted in such a way as to make sure they do not slip off handlebar!

1

2

4

1

2

Technical News 2004 17 4.0 PRO / MRX PRO · TWIST SHIFTERS TECHNICAL DATA /ASSEMBLY REQUIREMENTS

4.0 Pro Version Half Pipe Half Pipe Half Pipe Half Pipe Half Pipe Shifter Type Front / Micro adjust Front / Index Rear 1:1 / ESP Rear 1:1 / ESP Rear 1:1 / ESP 4 Speeds 3987NEW . NEW Derailleur 0 SRAM & Shimano SRAM & Shimano SRAM X.0/X.9/X.7/5.0/4.0/3.0 pati- bility Com- Crankset Shimano Shimano P Cable Pull Release SRS SRS SRS SRS SRS Cable ➔ ➔ ➔ ➔ R Standard Steel Gear Indication Window Window Window Window Window O Barrel Adjuster Friction Friction Friction Friction Friction Clamping Diameter 22.3mm 22.3mm 22.3mm 22.3mm 22.3mm Shifter Length 86mm ➔ ➔ ➔ ➔ Weight 87 g 87 g 87 g 87 g 87 g

MRX Pro Version Half Pipe Half Pipe Half Pipe Half Pipe Half Pipe Half Pipe Half Pipe Half Pipe Shifter Type Front / Micro adjust Front / Index Rear 2:1 Rear Shimano Rapid Rise M Speeds 3 987987NEWNEW NEWNEW R Derailleur SRAM & Shimano SRAM & Shimano Shimano Shimano Rapid Rise pati- bility X Com- Crankset Shimano Shimano Cable Pull Release SRS SRS SRS SRS P Cable Standard Steel ➔ ➔ ➔ R Gear Indication Window Window Window Window O Barrel Adjuster Friction Friction Friction Friction Clamping Diameter 22.3mm 22.3mm 22.3mm 22.3mm Shifter Length 86mm ➔ ➔ ➔ Weight 87 g 87 g 87 g 87 g

CABLE HOUSING SHIFTER ANATOMY • Use only new high quality cable and barrel adjuster handlebar compressionless cable housing with end grip grip caps. • When choosing cable housing lengths, be sure to allow enough housing for an extreme turn of the handlebars in both directions. • Note also, that different stem lengths shifter and cable stop positions effects cable housing length.

18 Technical News 2004 4.0 PRO / MRX PRO · TWIST SHIFTERS

ASSEMBLY 1:1 2:1

ASSEMBLY • Feed the cable through the cable 1 Front and Rear: housing and frame stops. • Slide the shifter onto the handlebar. • Attach cable to the derailleur. – If necessary, move the brake lever to • Adjust indexing per derailleur allow for shifter and handlebar grip. instructions. – Bar end users – don’t forget to leave Not recommended for use on thin walled room for the bar end. alluminum handlebars such as Hyperlite® • Rotate the shifter until the barrel type handlebars. adjuster is above (but out of the way of) the brake lever and the gear indication is Caution: clearly visible from the riding position. • Always check the front and rear brake 2.5 mm • Tighten the 2.5 mm hex clamp bolt (Fig. 1) levers for proper operation. 1.7 Nm to 1.7 Nm (15 in.lbs.). If there is interference between shifters 15 in.lbs. • Slide the handlebar grip onto bar (Fig. 2). and brake levers, re-adjust lever and Caution: shifter placement. Never use lubricants or solvents to • Check again for proper operation! install handlebar grips. Handlebar grips provide safety function. For this reason, they should be 2 mounted in such a way as to make sure they do not slip off handlebar!

Technical News 2004 19 3.0 COMP / MRX COMP · TWIST SHIFTERS TECHNICAL DATA /ASSEMBLY REQUIREMENTS

NEWNEW 3.0 Comp Version Shorty Shorty Shorty Shorty Shorty 3 Shifter Type Front / Micro adjust Front / Index Rear 1:1 / ESP Rear 1:1 / ESP Rear 1:1 / ESP . Speeds 3876 0 Derailleur SRAM & Shimano SRAM & Shimano SRAM X.0/X.9/X.7/5.0/4.0/3.0 pati- bility Com- Crankset Shimano Shimano C Cable Pull Release SRS SRS SRS SRS SRS O Cable Standard Steel ➔ ➔ ➔ ➔ M Gear Indication Printed Printed Printed Printed Printed P Barrel Adjuster Friction Friction Friction Friction Friction Clamping Diameter 22.3mm 22.3mm 22.3mm 22.3mm 22.3mm Shifter Length 67mm ➔ ➔ ➔ ➔ Weight 67 g 67 g 67 g 67 g 67 g

NEWNEW MRX Comp Version Shorty Shorty Shorty Shorty Shorty Shorty Shorty Shorty M Shifter Type Front / Micro adjust Front / Index Rear 2:1 Rear Shimano Rapid Rise R Speeds 3 876876 X Derailleur SRAM & Shimano SRAM & Shimano Shimano Shimano Rapid Rise pati- bility Com- Crankset Shimano Shimano C Cable Pull Release SRS SRS SRS SRS O Cable Standard Steel ➔ ➔ ➔ M Gear Indication Printed Printed Printed Printed P Barrel Adjuster Friction Friction Friction Friction Clamping Diameter 22.3mm 22.3mm 22.3mm 22.3mm Shifter Length 67mm ➔ ➔ ➔ Weight 67 g 67 g 67 g 67 g

CABLE HOUSING SHIFTER ANATOMY • Use only new high quality cable and handlebar compressionless cable housing with end grip barrel adjuster caps. grip • When choosing cable housing lengths, be sure to allow enough housing for an extreme turn of the handlebars in both directions. • Note also, that different stem lengths shifter and cable stop positions effects cable housing length.

20 Technical News 2004 3.0 COMP / MRX COMP · TWIST SHIFTERS

ASSEMBLY 1:1 2:1

ASSEMBLY • Feed the cable through the cable 1 • Slide the shifter onto the handlebar(Fig. 1). housing and stops. – If necessary, move the brake lever to • Attach the front/rear shifter cable to the allow for shifter and stationary grip. front/rear derailleur. – Bar end users – don’t forget to leave • Adjust indexing per derailleur room for the bar end. instructions. • Rotate the shifter until the barrel Not recommended for use on thin walled adjuster is beneath (but out of the way alluminum handlebars such as Hyperlite® of) the brake lever. type handlebars. • Tighten the 2.5 mm hex clamp bolt (Fig. 2) to 1.7 Nm (15 in.lbs.). Caution: • Slide the stationary grip onto the hand- • Always check the front and rear brake lebar (Fig. 3). levers for proper operation. Caution: If there is interference between shifters Never use lubricants or solvents to and brake levers, re-adjust lever and install handlebar grips. Handlebar grips shifter placement. provide safety function. • Check again for proper operation! For this reason, they should be mounted in such a way as to make sure 2 they do not slip off handlebar!

2.5 mm 1.7 Nm 15 in.lbs.

3

Technical News 2004 21 X.9 / X.7 / ROCKET / ATTACK · TRIGGER SHIFTERS TECHNICAL DATA /ASSEMBLY REQUIREMENTS

NEWNEW X.9 X.7 Part No. ———— Shifter Type Front / Index Rear 1:1 / ESP Front / Index Rear 1:1 / ESP X Speeds 3939 . Derailleur SRAM & Shimano SRAM X.0 / X.9 / X.7 SRAM & Shimano SRAM X.0 / X.9 / X.7 pati- bility 9 Com- Crankset Shimano Shimano Cable Pull Release IT IT IT IT X. Cable Stainless Steel➔ Stainless Steel ➔ 7 Gear Indication Window Window Window Window Barrel Adjuster Indexing Indexing Indexing Indexing Clamping Diameter 22.3mm 22.3mm 22.3mm 22.3mm Shifter Length 26 mm➔ 26 mm ➔ Weight N/A N/A N/A N/A

R NEWNEW Rocket Attack O Part No. —— —— C Shifter Type Front / Index Rear 2:1 Front / Index Rear 2:1 K Speeds 3939 E Derailleur SRAM & Shimano SRAM 2:1 & Shimano SRAM & Shimano SRAM 2:1 & Shimano pati- bility T Com- Crankset Shimano Shimano Cable Pull Release IT IT IT IT A Cable Stainless Steel➔ Stainless Steel ➔ T Gear Indication Window Window Window Window T Barrel Adjuster Indexing Indexing Indexing Indexing A Clamping Diameter 22.3mm 22.3mm 22.3mm 22.3mm C Shifter Length 26 mm➔ 26 mm ➔ K Weight N/A N/A N/A N/A

SHIFTER ANATOMY CABLE HOUSING • Use only new high quality cable and brake lever compressionless cable housing with end caps. handlebar • When choosing cable housing lengths, grip be sure to allow enough housing for an extreme turn of the handlebars in both barrel directions. adjuster shifter • Note also, that different stem lengths and cable stop positions effects cable housing length.

22 Technical News 2004 handlebar grip X.9 / X.7 / ROCKET / ATTACK · TRIGGER SHIFTERS

ASSEMBLY 1:1 2:1

ASSEMBLY • Feed the cable through the cable hou- 1 • Slide Slide first shifter then brake lever sing and stops. Make sure the shifter is onto handlebar. in gear position “1“ (front shifter) and Bar end users – don’t forget to leave “9“ (rear shifter). room for the bar end. • Attach the shifter cable to the derailleur. • Slide the handlebar grip onto the • Adjust indexing per derailleur handlebar. instructions. Caution: Never use lubricants or solvents to Caution: install handlebar grips. Handlebar grips • Always check the front and rear brake provide safety function. levers for proper operation. For this reason, they should be • If there is interference between shifters mounted in such a way as to make sure and brake levers, re-adjust lever and they do not slip off handlebar! shifter placement. • Tighten the 5 mm hex clamp bolt to • Check for proper brake lever operation 30 in.lbs. (3.4 Nm). again!

2

3mm 3.4 Nm 30 in.lbs.

Technical News 2004 23 PG990/PG970/PG950/PG850/PG830/PG730 · CASSETTES TECHNICAL DATA/ASSEMBLY REQUIREMENTS

PG 990 NEWNEW (formerly 9.0) Application MTB MTB Technology Power Glide II Power Glide II Largest Cog 34 T 32 T P Speeds 99 Chains SRAM / Shimano SRAM / Shimano G bility

Compati- Hubs Shimano Shimano 9 Cogs 11/12/14/16/18/21/24/28/34 11/12/14/16/18/21/24/28/32 9 Lockring torque 40 Nm 40 Nm 0 Weight 300 g 290 g Cogs SAPH 440 steel SAPH 440 steel Spider Grilon Composite Grilon Composite Lockring Forged Steel Forged Steel Design Rivets Stainless Steel Stainless Steel Finish Matte Ni-Chrome Plated Matte Ni-Chrome Plated

PG 970 NEWNEW (formerly 7.0) Application MTB MTB Road Road Road Technology Power Glide II Power Glide II Power Glide II Power Glide II Power Glide II Largest Cog 34 T 32 T 26 T 23 T 23 T P Speeds 99999 G Chains SRAM / Shimano SRAM / Shimano SRAM / Shimano / Campa. SRAM / Shimano / Campa. SRAM / Shimano / Campa. bility 9 Compati- Hubs Shimano Shimano Shimano Shimano Shimano Cogs 11/12/14/16/18/21/24/28/34 11/12/14/16/18/21/24/28/32 12/13/14/15/17/19/21/23/26 12/13/14/15/16/17/19/21/23 11/12/13/14/15/17/19/21/23 7 Lockring torque 40 Nm 40 Nm 40 Nm 40 Nm 40 Nm 0 Weight 340 g 330 g 230 g 210 g 210 g Cogs SAPH 440 steel SAPH 440 steel SAPH 440 steel SAPH 440 steel SAPH 440 steel Lockring Forged Steel Forged Steel Aluminum Aluminum Aluminum

Design Screws Steel / Zinc Coat Steel / Zinc Coat Steel / Zinc Coat Steel / Zinc Coat Steel / Zinc Coat Finish Matte Ni-Chrome Plated Matte Ni-Chrome Plated Nickel-Chrome Plated Nickel-Chrome Plated Nickel-Chrome Plated

P PG 970NEWNEW PG 950 NEWNEW Application G Road MTB MTB Road Road Technology Power Glide II Power Glide II Power Glide II Power Glide II Power Glide II 9 Largest Cog 21 T 34 T 32 T 26 T 26 T 7 Speeds 99999 0 Chains SRAM / Shimano / Campa. Shimano Shimano SRAM / Shimano / Campa. SRAM / Shimano / Campa. bility

Compati- Hubs Shimano Shimano Shimano Shimano Shimano P Cogs 11/12/13/14/15/16/17/19/21 11/12/14/16/18/21/24/28/34 11/12/14/16/18/21/24/28/32 12/13/14/15/17/19/21/23/26 12/13/14/15/16/17/19/21/23 G Lockring torque 40 Nm 40 Nm 40 Nm 40 Nm 40 Nm Weight 210 g 390 g 380 g 240 g 220 g 9 Cogs SAPH 440 steel Steel Steel SAPH 440 SAPH 440 steel 5 Lockring Aluminum Forged Steel Forged Steel Forged Steel Forged Steel

0 Design Screw Steel / Zinc Coat Steel / Zinc Coat Steel / Zinc Coat Steel / Zinc Coat Steel / Zinc Coat Finish Nickel-Chrome Plated Nickel-Chrome Plated Nickel-Chrome Plated Nickel-Chrome Plated Nickel-Chrome Plated

24 Technical News 2004 PG990/PG970/PG950/PG850/PG830/PG730 · CASSETTES TECHNICAL DATA/ASSEMBLY REQUIREMENTS

PG 850 NEWNEW (formerly 5.0) Application MTB MTB Road Road Technology Power Glide II Power Glide II Power Glide II Power Glide II Largest Cog 32 T 28 T 26 T 23 T P Speeds 8888 G Chains SRAM / Shimano SRAM / Shimano SRAM / Shimano / Campa. SRAM / Shimano / Campa. bility 8 Compati- Hubs Shimano Shimano Shimano Shimano Cogs 11/12/14/16/18/21/26/32 11/12/14/16/18/21/24/28 12/13/15/17/19/21/23/26 12/13/14/15/17/19/21/23 5 Lockring torque 40 Nm 40 Nm 40 Nm 40 Nm 0 Weight 280 g 250 g 230 g 220 g Cogs SAPH 440 steel SAPH 440 steel SAPH 440 steel SAPH 440 steel Lockring Forged Steel Forged Steel Forged Steel Forged Steel

Design Screw Steel / Zinc Coat Steel / Zinc Coat Steel / Zinc Coat Steel / Zinc Coat Finish Ni-Chrome Plated Ni-Chrome Plated Ni-Chrome Plated Ni-Chrome Plated

P PG 830 NEWNEW (formerly 3.0) PG 730 NEWNEW Application G MTB MTB MTB Technology Power Glide II Power Glide II Power Glide II 8 Largest Cog 32 T 28T 32T 3 Speeds 887 Chains SRAM / Shimano SRAM / Shimano SRAM / Shimano

0 bility

Compati- Hubs Shimano Shimano Shimano P Cogs 11/12/14/16/18/21/26/32 11/12/14/16/18/21/24/28 12/14/16/18/21/26/32 G Lockring torque 40 Nm 40 Nm 40 Nm Weight 220 g 280 g 250 g 7 Cogs SAPH 440 steel SAPH 440 steel SAPH 440 steel 3 Lockring Forged Steel Forged Steel Forged Steel

0 Design Screw Steel / Zinc Coat Steel / Zinc Coat Steel / Zinc Coat Finish Nickel-Chrome Plated Ni-Chrome Plated Ni-Chrome Plated

Technical News 2004 25 PG990/PG970/PG950/PG850/PG830/PG730 · CASSETTES ASSEMBLY

ASSEMBLY Advice: 1 • Position the cassette cluster and indivi- Due to the optimized stability of the rear duel sprockets on the cassette body by wheel, there is less space between the aligning the spline pattern (Fig. 1). right spoke flange and the sprocket • Screw the lockring in to the cassette cassette. This means that not all spoke body and tighten it to 40 Nm (350 in.lbs.) protector discs available on the market by using a cassette tool (1, Fig. 2) like the will fit. Please carry out a trial assembly Park Tool® FR-5 or Shimano® and a chain run before specifying spoke protector wrench (2). discs (spoke protector discs must not rub • Adjust the rear derailleur according to against the sprocket cassette). the installation advice from the derailleur manufacturer.

2 1

2

26 Technical News 2004 Technical News 2004 27 POWER CHAINS TECHNICAL DATA /ASSEMBLY REQUIREMENTS

PC69 PC59 PC49 PC38 SaltshakerNEWNEW PC38 NEWNEW P Part No. ————— O Application MTB / Road MTB / Road MTB / Road MTB / Road MTB / Road W Compatibility Front HG/EXA-Drive HG/EXA-Drive HG/EXA-Drive HG/IG/EXA-Drive HG/IG/EXA-Drive E Compatibility Rear HG/EXA-Drive HG/EXA-Drive HG/EXA-Drive HG/HG-I/IG/PG/EXA-Drive HG/HG-I/IG/PG/EXA-Drive Max. No. of sprockets 9 only 9 only 9 only max. 8 max. 8 1 11 1 11 1 11 1 3 1 3 R Dimension /2"x /128" /2"x /128" /2"x /128" /2"x /32" /2"x /32" Length 6.8mm 6.8mm 6.8mm 7.1mm 7.1mm C Riveting Step Step Step Step Step H Chrome Hardened Yes Yes Yes A Push Power 1500N / 340 lbs. 1500N / 340 lbs. 1500N / 340 lbs. 1500N / 340 lbs. 1500N / 340 lbs. I Min. Tensile Strength 9000N / 2023 lbs. 9000N / 2023 lbs. 9000N / 2023 lbs. 9000N / 2023 lbs. 9000N / 2023 lbs. Weight (114 links) 297 g 297 g 297 g 307 g 307g N External Pin Plate Nickel Plated Nickel Plated Grey Light Grey Grey /Polished S Internal Pin Plate Nickel Plated Grey Grey Light Grey Brown/Annealed Design Pin Connecting Method Power Link Gold or Pin Power Link Gold or Pin Power Link Gold or Pin Power Link Silver or Pin Power Link Silver or Pin

P PC10 Saltshaker PC10 PC1 Saltshaker PC1 O Part No. —— —— Application MTB MTB Gear Hubs Gear Hubs W Compatibility Front Single / HG Single / HG Single Single E Compatibility Rear Single / HG Single / HG Single Single R Max. No. of sprockets max. 7 max. 7 1 1 1 3 1 3 1 1 1 1 Dimension /2"x /32" /2"x /32" /2"x /8" /2"x /8" C Length 6.9mm 6.9mm 7.8mm 7.8mm Riveting Step Step Step Step H Pin Push Power 1000N / 225 lbs. 1000N / 225 lbs. 8000N / 1840 lbs. 8000N / 1840 lbs. A Min. Tensile Strength 9000N / 2023 lbs. 9000N / 2023 lbs. 9000N / 2023 lbs. 9000N / 2023 lbs. I Weight (114 links) 300g 300g 330 g 330 g N External Pin Plate Light Grey Brown Light Grey Brown Internal Pin Plate Light Grey Brown Light Grey Brown

S Design Connecting Method Power Link Grey or Pin Power Link Grey or Pin Snap Lock or Pin Snap Lock, 3pcs Link or Pin

28 Technical News 2004 POWER CHAINS ASSEMBLY

PC 69 / PC 59 / PC 49 / PC 1 1 " 1 " 1 PC 38 / PC 10 ( /2 x /8 ) 1 " 3 " 1 " 11 " ( /2 x / 32 AND /2 x / 128 ) Closing chain with Snap Lock: + Chain length: • Fit the shortened chain, bring the ends • Shorten chain to the length specified by together and connect with the Snap Lock. (2 Links) the derailleur manufacturer. Place the outer plate on one pin (Fig. 6). SRAM derailleurs: • Gently flex the chain until the outside • Place chain over largest front chain- connector plate snaps into position over 2 wheel and largest rear sprocket and add the second pin (Fig. 7). 2 links or 1 link + Power Link (Fig. 1). • For rear suspension frame, position the Caution: rear suspension for the greatest chain • Make sure plate is fully seated in the length required. pin channel and plates are parallel to each other. • If movement of the connector plate is Closing standard version with clamping pin: noticed a new Snap Lock must be used. Fit chain, bring the two ends together and • Always use a new Snap Lock when press pin (Fig. 2) through with assembly fitting a new chain. Failure to shorten tool. The pin must extend by the same the chain properly or to lock it exactly 3 amount at both outer plates. It must be into place may cause damage to the possible to move the connecting link chain and eventually total chain failure, slightly. material damage or the rider to fall off his bicycle resulting in injury.

Power Link connecting links: Caution: 4 • Use only as specified, to avoid material damage or the rider to fall off his bicycle resulting in injury. • Use only Power Link Gold for closing Holow Pin chain versions (no pin).

Power Link Grey grey coloured 5 for PC 10 Power Link Silver silver coloured for PC 38 Power Link Gold gold coloured for PC 69, PC 59, PC 49

6 Closing: • Fit chain, bring the ends together and insert both halves of the Power Link into the chain ends. (Fig. 3) • Press both halves of the Power Link together (Fig. 4) and lock in place by 7 pulling the chain apart. (Fig. 5)

Opening: • Press both plates of the Power Link together (Fig. 4) while sliding the chain ends together (unlock). Remove the two halves of the link from the chain ends. 8 1 Caution: Always use a new Power Link when fitting a new chain. Failure to shorten the 2 3 chain properly or to lock it exactly into place may cause damage to the chain and eventually total chain failure, material 9 damage or the rider to fall off his bicycle resulting in injury.

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Technical News 2004 29 NOTICES

30 Technical News 2004 www.sram.com

WORLD HEADQUARTERS Chicago, Illinois U.S.A. SRAM Corporation 1333 North Kingsbury, 4th floor Chicago, Illinois 60622 phone: +1-312-664-8800 fax: +1-312-664-8826

EUROPEAN HEADQUARTERS Amersfoort, The Netherlands SRAM Europe Basicweg 12-D 3821 BR Amersfoort The Netherlands phone: +31-33-450-6060 fax: +31-33-457-0200

ASIAN HEADQUARTERS Taichung, Taiwan SRAM Taiwan No. 1598-8 Chung Shan Road Shen Kang Hsiang, Taichung County 429 Taiwan R.O.C. phone: +886-4-2561-3678 fax: +886-4-2561-3686