Bicycle axle thread

Discussion in 'Motorized Bicycle General Discussion' started by curtisfox, Mar 19, 2016.

  1. curtisfox

    curtisfox Well-Known Member

    Dec 29, 2008
    Likes Received:
    Having trouble finding the right parts for my axle and found this chart...........Curt

    2.2mm x 56 tpi Common 2mm spoke threading
    3mm x 0.5mm Dropout adjustment screws, some derailleur hardware, accessory hardware
    4mm x 0.7mm Some derailleur limit screws (DIN standard)
    4mm x 0.75mm Common derailleur limit screw (JIS standard)
    5mm x 0.8mm Many uses on bicycles, including derailleur wire pinch bolts/nuts, disc rotor mounting bolts, fender and racks mounts, water bottle cage bolts, and others
    6mm x 1mm Many uses on bicycles, including brake caliper mounting bolts, brake pad bolts/nuts, some fender racks, some brake adjusting barrels
    7mm x 1mm Some handlebar binder bolts
    5/16 inch x 24 tpi Front hubs, solid axle, less expensive bikes
    8mm x 1mm Square-type crank bolts, front solid axle hubs, suspension system hardware
    8mm x 1.25mm Stem hardware, stud type crank nuts, suspension hardware
    8mm x 0.75mm Chainring bolt
    9mm x 1mm Front hubs, quick release, Asian manufacturer
    9mm x 26 tpi Front hubs, Campagnolo®
    3/8 inch x 24 tpi Some solid axle bike, including coaster brake
    3/8 inch x 26 tpi Solid rear axle
    10mm x 1mm Most quick release rear axles, derailleur mounting bolts, brake lever adjusting barrels
    10mm x 26 tpi Rear axle, quick release, Campganolo®
    12mm x 1mm Some spline crankset bolts
    1/2 inch x 20 tpi Pedal threads, one-piece cranks
    9/16 inch x 20 tpi Pedal threads- common three piece cranks
    14mm x 1mm Oversized frestyle axles
    15mm x 1mm tpi Crank bolt, Octalink® and ISIS Drive®
    1-inch x 24 tpi Threaded headsets, one-inch standard
    1-1/8 inch x 26 tpi Thread headset, 1-1/8 inch standard
    1-1/4 inch x 26 tpi Thread headset, 1-1/4 inch standard
    1.37 inch x 24 tpi Bottom brackets, ISO/English/BSC, and threaded freewheel hubs
    1-3/8 inch x 26 tpi Bottom brackets, older “Raleigh” three speeds
    36mm x 24 tpi “Italian” threaded bottom brackets

    Cutter Selection Guide for Reaming, Tapping & Facing View Article
    Torque Specifications and Concepts View Article
    Bottom Bracket Tapping, Threading, Chasing, and Facing View Article

    More read here
    #1 curtisfox, Mar 19, 2016
    Last edited: Mar 19, 2016

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