8a.7 Common Torque Values
Description
This article is from the Bicycles FAQ, by Mike Iglesias with numerous contributions by others.
8a.7 Common Torque Values
From: Mike Iglesias <iglesias@draco.acs.uci.edu>
These torque values are from the Third Hand catalog. All values are in
inch pounds (in lbs); to convert to foot pounds (ft lbs), divide by 12.
Stem binder bolt 100-120 Brake levers to handlebars 75-95 Handlebar binder 145-200 Brake cable binders 55-75 Controls to frame 35-45 Straddle nut (yoke) 50-70 Front shifter to frame 25-45 Brake pads to brake 45-75 Front shifter to cable binder 25-45 Brake dome nut 50-80 Rear shifter to frame 120-145 Crank bolt 250-300 Rear shifter cable binder 25-45 Chainring bolts 100-120 Jockey wheel bolt 25-45 Nutted front hub 180 Seat binder bolt 35-55 Nutted rear hub 300 Caliper brakes to frame 100-120 Waterbottle cage 25-35 Cantilever brake to frame 45-60 Fender to frame bolts 50-60 Cantilever brake link wire 35-45 Toeclips to pedals 25-45 Kickstand 60
[Here is another list of torque values from Barnett Bicycle Institute
sent in by Richard Ney <rtn@gis.net>. All values are inch pounds.]
BMX handlebar binder bolts 240 BMX stem binder bolt 170-180 Bottom bracket fixed cup 240-300 Bottom bracket lockring 240-300 Brake levers on drop handlebars 60-72 Brake levers on MTB handlebars 36-60 Cable carrier pinch nut 48-72 Cantilever arm pinch nut/bolt 36-48 Cantilever brake caliper mounting nut 24 Cast-type BMX brake lever 36-60 Centerpull caliper mounting nut 12-36 Chainring bolts 48-72 Clamp-mount shift lever bolt 24-30 Cotterless crank arms 300-360 Crank arm dust caps 48 Crank extractor into crank arm 180-240 Double bolt integral seat clamp bolts 72-96 Drop handlebar binder bolt 205-240 Drop bar stem binder bolt 145-170 Front axle nuts (wheel mounting) 180-240 Front derailleur cable pinch 36-48 Front derailleur mounting bolt 36-48 Handlebar end-mounted shifter 48 Headset locknut 300 (minimum) Hub locknuts 175-220 Mounting nut on threaded stud brake shoes 48-60 MTB multiple handle binder bolt 60-84 MTB single handlebar binder bolt 175-240 MTB stem binder bolt 170-180 Nonintegral seat clamp nuts 130-170 One-piece bottom bracket fixed cone 300 (minimum) One-piece bottom bracket lock nut 240 Pedal installation 350 Pedal locknuts 100-125 Rear axle nuts (wheel mounting) 240-300 Rear derailleur cable pinch 36-48 Rear derailleur to hanger 72-84 Rollercam cam plate pinch nut 48-72 Rollercam roller locknut 36-48 Seat post binder bolt 72-96 Sidepull caliper cable pinch 48-72 Sidepull caliper mounting nut 72-84 Sidepull caliper pivot locknut 48-72 Single bolt integral seatclamp bolt 120-145 Stem mounted shift lever bolt 24-30 Thumb shifter mounting bolt 12-18
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