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dealer tech. manual 2000 gear hub systems english © Copyright SRAM Corporation 1999 Publ. No. 8006 E Information may be enhanced without prior notice. Released August 1999 SRAM Technical Documentation, Schweinfurt/Germany EXA-Drive is a trademark of Campagnolo S.R.L., Italia. Shimano, HG, IG are trademarks of Shimano Inc., Japan. TABLE OF CONTENTS GEAR HUB SYSTEMS GEAR HUBS AND SHIFTERS Spectro S7 3 Spectro P5 11 Spectro T3 19 Spectro 3x7 27 SPECTRO SYSTEM COMPONENTS Front Hubs 34 Quick Releases 34 Crankset 35 Front Hubs with Drum Brake 36 Generator Spectrolux V6 40 Power Chains 42 SUPPORT Distributors 44 ¥Who to call / SRAM 2 year warranty / Spare Parts 46 Dealer Technical Manual 2000 1 2 back Dealer Technical Manual 2000 SPECTRO S7 TECHNICAL DATA /ASSEMBLY REQUIREMENTS • Comfort Action Shifting • Improved Ergonomics • Short Rotation • Optimal Gear Ratio • Spectro Design • Matte Chrome Finish • Improved Brake Performance • Most Efficient Hub In Its Class Available in versions: L Version with Coaster Brake, Type MH 7215 With coaster brake, Type MH 7215 With drum brake, Type MH 7225 OLD HR Without brake, Type MH 7205 C 1/2 OLD D DS E Advice: Spectro S7 hubs are not suitable for T tandem use. Cycle frame: The strength must be such that with a maximum torque of 250 Nm (2200 in.lbs.) on F2 F1 Ø 7.3 the driving wheel no residual deformation R 100 can occur on the rear structure. A2 max A1 max MH7215 MH7225 MH7205 Part No. —— R —— Brake Coaster Drum „D“ R „NL“ None Over Locknut Dim., OLD 130mm 135mm 132mm Length, L 183.4mm 188.5mm 183.4mm Ends Diameter, T FG 10.5 FG 10.5 FG 10.5 Axle Dropout Width Dim. A1 max. = 11.5mm / A2 max. = 12mm A1 max. = 11.5mm / A2 max. = 12.2mm A1 max. = 11.5mm / A2 max. = 10mm Holes 36 36 36 Hole Diameter, DS 3.0mm 2.9mm 3.0mm Spoke Hole Ref. ø, HR 75mm 89mm 75mm 1 Flange Dist. to /2 OLD F1 = 33mm / F2 = 34mm F1 = 34.8mm / F2 = 35.7mm F1 = 34mm / F2 = 34.8mm H Totally 303% U Speed 1 57% Speed 2 68% B Speed 3 81% S Speed 4 100% Speed 5 124% Gear Hub Ratio Hub Gear Speed 6 148% Speed 7 174% 1 1 1 3 1 1 1 3 1 1 1 3 Usable Dimensions /2"x /8"or /2"x /32" /2"x /8"or /2"x /32" /2"x /8"or /2"x /32" Line, C/D/E 54/51/48mm 55.5/52.5/49.5mm 54/51/48mm Chain Ratio 24", 26",28"= 1.83–1.90 / 20"= 1.83–2.00 Shifter Compatib. Spectro Grip 7/Spectro Bandix 7 Clickbox Compatib. Clickbox S7 Tandem Compatib. ——— Weight 1714g 1737g 1556g Hub Shell Material Steel Aluminum Steel Finish Finish Matt Chrome Plated Clear Coat Matt Chrome Plated Dealer Technical Manual 2000 back 3 SPECTRO S7 TECHNICAL DATA /ASSEMBLY REQUIREMENTS S Spectro Grip 7 (for adults) Spectro Bandix 7 (for kids) Part No. — R — R — R — R — — R — R — H Shifter Type Twist Shifter Twist Shifter I Cable 1400mm R 1500mm R 1600mm R 1700mm R 2100mm 1200mm R 1300mm R 1400mm Gear Indication Window Window F Clamping Diameter 22.2mm 22.2mm T Handlebar, Straight Area Minimum length = 150mm Minimum length = 125mm E Weight 70g 70g Housing Glass filled PBT Glass filled PBT R Grip POM POM S Design Grip Cover Thermoplastic elastomer, Overmolded Thermoplastic elastomer, Overmolded Clamping Collar 6060 Aluminum 6060 Aluminum SPECTRO S7 ASSEMBLY ASSEMBLY HUB • Placing the wheel in the rear frame. 1 12 • Spoke the hub as normal. See spoke • Mount the chain. length table. • After positioning the wheel in the rear • Place the dust cap (1, Fig. 1) and fork fit non-turn washer (1, Fig. 4) to the sprocket (2) on the driver. outside of the dropout (hub side opposite • Push sprocket circlip (3, Fig. 2) onto the the sprocket). The serrations must bear cone of tool sleeve (4). Place tool sleeve against the dropout and the lug must with large diameter on the driver. engage in the dropout slot. • Push the spring end of sliding sleeve (5) • On the sprocket side fit the protective of the tool over the tool sleeve. Thrust bracket (2, Fig. 5) directly below the 2 sliding sleeve in direction (6), this forces fixing nut. Tightening torque on acorn or circlip into the recess of the driver. hex nuts 30 – 40 Nm (266 – 350 in.lbs.). 4 5 3 • Remove tool and check that the circlip is • Fit brake lever tube clamp (2, Fig. 4). 6 seated correctly. Tightening torque: 2 – 3 Nm (18–27 in.lbs.). • Turn dust cap (7, Fig. 3) until the three Caution: Mounting Tool lugs (8) are between the three beads (9) The clamp must be seated on the frame Part No. 0582 104 000 on the sprocket (10). without play. • Position dust cap and push towards sprocket until it is felt to lock into place. 3 8 7 9 Spoke length table: Tire Size Cross Length MH 7215/7205 Length MH 7225 47–406 20" x 1.75 x 2 3 x 181 mm 179 mm 3 37–490 22" x 1 /8 3 x 225 mm 222 mm 10 47–507 24" x 1.75 x 2 3 x 232 mm 229 mm 3 37–540 24" x 1 /8 3 x 251 mm 248 mm 47–559 26" x 1.75 x 2 3 x 259 mm 256 mm 3 4 37–590 26" x 1 /8 3 x 275 mm 272 mm 47–622 28" x 1.75 3 x 289 mm 286 mm 3 5 37–622 28"x1 /8 x 1 /8 3 x 289 mm 286 mm 1 28–622 28"x1 /8 3 x 289 mm 286 mm 5 1 32–622 28"x1 /8 x 1 /4 3 x 289 mm 286 mm 1 28–630 27"x1 /4 fifty 3 x 294 mm 291 mm 1 32–630 27" x 1 /4 3 x 294 mm 291 mm 1 Spoke lengths are approximate values. They must be checked through lacing attempts 2 and adjusted accordingly. 4 back Dealer Technical Manual 2000 SPECTRO S7 ASSEMBLY Advice: ADJUSTMENT 2 5 • If a different protective bracket is used • Be sure to reset rotational shifter from the thickness of the attachment plate 5th. to 4th gear. must be max. 3 mm. • Match up the arrow marks in the • Do not use additional washers. Clickbox viewing window (5, Fig. 6) by 5 • A minimum of 1 thread turn (4, Fig. 5) turning the adjusting screw (6). must be visible in front of the axle nut! CONNECTING DRUM BRAKE ASSEMBLY SHIFTERS Caution: • Slide shifter (1, Fig. 6) onto handlebar. Only use brake levers with a cable 4 3 • Add 2 thrust washers (2). moving distance of at least 15 mm and a • Mount fixed grip (3) onto end of handlebar. minimum leverage of 3.8. • Without applying pressure, slide shifter • Fit cable stop (1, Fig. 9) with adjusting against fixed grip. bolt (2) and nut (3) and insert into the slot 1 • Adjust shifter on handlebar and on the brake anchor plate. 6 2 tighten with bolt (4) with a torque of • Turn adjusting bolt down by approx. /3 5 1.5 Nm (13 in.lbs.). and route the brake cable from the 6 brake handle. Caution: • Push lower brake cable end through 2 3 4 •Check that the shifter and brake lever adjusting bolt (2) and insert lower cable function properly and are unobstructed housing end into adjusting bolt. (realign if necessary). • Thread brake cable end (4) into NEWNEW • Fixed grips provide an axial safety fork unit (5). function. For this reason, they should be • Tighten screw (6) slightly. mounted in such a way as to make sure • Attach fork unit to brake lever (7). 7 they do not slip off handlebar. • Pull brake cable end taut with pliers • Never use lubricants or solvents to so that fork unit can still be attached and 2 1 install fixed grips. removed (important for changing wheel). • Never ride without the fixed grips. The • Tighten screw (6). turning grip may loosen from housing • For NL version drum brake hub with and slip off handlebar – this can result special lever (8), only use original NL in severe injury or death. brake cable (fork unit (5) is not suitable). • When fitting the cable (1, Fig. 7) avoid ADJUSTMENT DRUM BRAKE small radius. • Unscrew adjusting screw (2, Fig. 9) until • Last attachment point is on the lower the brake pads drag lightly. rear wheel fork (2, Fig. 7) immediately • Actuate the hand brake lever forcefully 8 behind the chain wheel. several times and then, if necessary, Cable housing must be movable inside turn the adjusting screw further so that 7 attachment. the brake once again brushes the wheel as it turns. 6 INSTALLING CLICKBOX • Lock hex nut (3). 4 • Insert shift rod (1, Fig. 8) in shift tube (2) (oil parts lightly) and then push into axle bore as far as the stop. Turn slot (6) in 2 shift tube to a position where it is easily 1 3 visible. 5 • Push locating sleeve (3) with guiding rib (4) to the front onto the hub axle – making 9 sure that the internal lug (5) is guided in the slot (6) of the shift tube until it can be felt – and heard – to engage. 2 • Turn locating sleeve on the axle until the 3 1 guiding rib (4) is facing roughly upwards. • Push on Clickbox (5, Fig.
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