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Umschlag Technical News E 2004

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Umschlag Technical News E 2004 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 GGG 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.
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