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CONTENTS GEAR HUB SYSTEMS GEAR HUBS AND SHIFTERS DualDrive 3 Spectro S7 13 Spectro P5 21 CARGO Spectro P5 Cargo 29 Spectro T3 37 Sparc 45 SPECTRO SYSTEM COMPONENTS i-brake 53 Two-Axis Brake Lever 62 SmartBar 65 Power Chain 76 SUPPORT Distributors 78 ¥Who to call / SRAM 2 year warranty / Spare Parts 80 Technical Manual 2002 1 2 Technical Manual 2002 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 44.5 4.6 Chainline 33 18 67 Version for i-brake: see i-brake, page 55. 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. Caution: Not suitable for tandems, trademen’s delivery bicycles and similar. DualDrive 27/24 · without brake DualDrive 27/24 · i-brake compatible DualDrive 27/24 · disc brake compatible Part No. — R ——R —— R — Brake None Interface for new i-brake Interface for Disc brakes Over Locknut Dim. 135 mm 135 mm 135 mm Length 182.6 mm 182.6 mm 182,6 mm Axle Ends Diameter FG 10.5 FG 10.5 FG 10.5 Holes 36 R 32 36 R 32 36 R 32 Hole Diameter 2.6 mm 2.6 mm 2.6 mm Spoke Hole Ref. ø 67 mm 67 mm 67 mm 1 Flange Dist. to /2 OLD 33 mm / 18 mm 33 mm / 18 mm 33 mm / 18 mm H Totally 576% (27spd) / 542% (24spd) Totally hub 186% U Speed 1 73% Ratio B Speed 2 100% S Speed 3 136% Chainline 45 mm 45 mm 45 mm Crankset 33 / 38 Teeth Cogset 8 / 9 Speed, 11-32/34 Teeth Cogset Compatib. DualDrive 27 / DualDrive 24 Shifter Compatib. DualDrive 27 / DualDrive 24 Sealing Extra sealed Tandem compatib. ——— Disc compatib. ——SRAM/Magura / Hayes / Shimano Weight 970 g 970 g 970 g Hub Shell Aluminum Aluminum Aluminum Finish Shifting device Composite Composite Composite Technical Manual 2002 3 DUALDRIVE TECHNICAL DATA /ASSEMBLY REQUIREMENTS DualDrive 27 DualDrive 24 D Part No. —— E Speeds 98 R Shifter Compatibility DualDrive 27 DualDrive 24 Cage Length Short, 75 mm Short, 75 mm A Sprocket, max. 34 Teeth 32 Teeth I Sprocket, min. 11 Teeth 11 Teeth L Pulleys Exchangeable / Bushing Exchangeable / Bushing Direct Mount GG L Weight 260 g 220 g E Knuckles Grilon Composite silver Grilon Composite silver U Outer Link Aluminum Grilon Composite silver R Inner Link Steel / Zinc coat Steel / Zinc coat Design Outer Cage Forged Aluminum Grilon Composite black S Inner Cage Grilon Composite black Grilon Composite black Hanger Bolt Aluminum Steel DualDrive 27 DualDrive 24 Part No. —— Largest Cog 34 Teeth 32 Teeth C Speeds 98 A Cogs 11/12/14/16/18/21/24/28/34 11/12/14/16/18/21/26/32 S Spacers Blue Black S Chain compatib. 9spd, HG/IG/PGII comp. 8spd, HG/IG/PGII comp. Weight 320 g 270 g Cogs SAPH 440 steel Screws Steel / Zinc Coat Design Finish Matte Nickel Plated Chrome DualDrive 27 DualDrive 24 Part No. — R — R — R — R —— R — R — R — R — Clickbox Cable 1400mm R 1500mm R 1600mm R 1700mm R 2100mm 1400mm R 1500mm R 1600mm R 1700mm R 2100mm Shifter Type SRS Twistring-Thumbshifter-Combo (2in1) SRS Twistring-Thumbshifter-Combo (2in1) Arrangement Handlebar, right Handlebar, right S Gear Hub DualDrive DualDrive pat. H Com- Derailleur DualDrive 9spd DualDrive 8spd Gear Indication Der. Window Printed I Riding Mode Indic. Printed Printed F Barrel Adj. Gear Hub None None T Barrel Adj. Derailleur Indexing Indexing Clamping Diameter 22.3mm 22.3mm E Handlebar, Straight Area Minimum length = 150mm Minimum length = 150mm 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 – Silver painted Grip Cover Thermoplastic elastomer, Overmolded Thermoplastic elastomer, Overmolded Design Clamping Collar Aluminum Aluminum Clickbox Composite Composite 4 Technical Manual 2002 DUALDRIVE TECHNICAL DATA /ASSEMBLY REQUIREMENTS Cable routing 1 DualDrive 27 DualDrive 24 Hub cable Along chainstay only Along chainstay only 1 Derailleur cable Along chainstay only Along chainstay or along seatstay 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 (only DualDrive 27) 200 180 160 140 120 X R2 (mm) L 100 L 90 100 110 120 130 X (mm) R1 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 Recommended cranks: 3 • Use only new high quality cable and Cyclone: 15 com-pressionless cable housing with •DualDrive crank for chainguard, 33 T, Part end caps. No. CPI-104 (chain guide fork necessary). • When choosing cable housing lengths, • DualDrive crank for Trekking, 33 T, 14 be sure to allow enough housing for an Part No. CY-100W. 60 extreme turn of the handlebars in both • DualDrive crank for MTB, 33 T, directions. Part No. CF-100W. 13 45 32 • Note also, that different stem lengths Truvativ: 25 and cable stop positions effects cable •CR-02-XF-SS or CR-02-XF-SSA housing length. DualDrive crank supplier: DROPOUT Cyclone Precision Inc. Only flat and no off-set versions. P.O. Box 3-41 · Nantou 540 · Taiwan Dropout thickness: 7 – 8 mm. Tel.: +886-49-257-829 · Fax: +886-49-257-832 Vertical or horizontal dropout slot. eMail: [email protected] Dropouts must be parallel. http://www.cpi-cw.com or Truvativ · http://www.truvativ.com 4 Dropout dimensions: see Fig. 2 and 3. L X A R1 R2 CHAIN GUIDE FORK 28 6–10 25˚– 30˚ 8.5 max 11.5–13.5 It prevents chain from jumping off front 30 7.5–10 25˚– 30˚ 8.5 max 11.5–13.5 chainring, is bolted inside the chain case (1, Fig. 4). CRANKSET HANDLEBAR Bicycle without chain case: Diameter: 22.3 mm. Use a chain guard disc (at the outer 1 Minimum length of straight area for shifter: surface of chainring, material no resin) 150 mm. dA max. 220 mm Use only standard chainring version (non- Recommended are handlebars in curved shifting teeth). design. Chainline = 45 mm. Technical Manual 2002 5 DUALDRIVE ASSEMBLY ASSEMBLY HUB ASSEMBLY SHIFTER 1 1 2 • Spoke the hub 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 4 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 Nm (17 in.lbs.). • Screw shifting rod (4) into the hub axle • Slide the handlebar grip (3) onto the 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 • Check that the shifter and brake lever bear against the dropout. function properly and are unobstructed. – Version for horizontal dropouts (1): • Handlebar grips provide an axial safety the lug must engage in the dropout slot. function. For this reason, they should be – Version for vertical dropouts (2): mounted in such a way as to make sure without lug. they do not slip off handlebar. • Tighten up axle nuts. Tightening • Never use lubricants or solvents to torque 30 – 40 Nm (266 – 350 in.lbs.). install handlebar grips. 2 1 • Never ride without the handlebar grips this can result in severe injury or death. ASSEMBLY DERAILLEUR 3 Advice: Check the rear derailleur hanger INSTALLING CLICKBOX alignment. A bent rear derailleur hanger • Fit the cable and avoid small radius. will result in inaccurate index shifting. • Cable attachment points see Page 5 / Outboard side impacts are the most Fig. 1. 5 mm common causes of this type of damage. Cable housing must be movable inside 8 – 10 Nm attachment. 70 – 85 in.lbs. • Attach the rear derailleur to the frame’s • Place shift lever in uphill riding mode / rear derailleur hanger using a 5 mm hex gear position „1“ (Fig. 7). head wrench (Fig. 3). • Push Clickbox button down (Fig. 7). • Check that the b-adjust washer tab • Push on Clickbox to the stop on the hub (b-adjust screw at DualDrive 24) is clear axle. of the rear derailleur dropout tab (Fig. 4). • Press button up. • Tighten the 5 mm hex hanger bolt to • Place thumb shift lever in standard 8 – 10 Nm (70–85 in.lbs.). riding mode / gear position „2“ (Fig. 8). 4 • Match up the marks in the Clickbox viewing window by twisting the CHAIN LENGTH barrel adjuster. A properly measured chain will prevent accidentally shifting to the largest chain ring and cog combination. This type of DualDrive 24 accidental shifting may cause harmful binding or seizure of the chain and DualDrive 27 potentially cause severe damage. • Bypassing the rear derailleur, run the chain around the largest cog/large 5 chainring combination (Fig.
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