Proper measurent for 52mm/76mm clutches

Discussion in 'General Questions' started by TWalker, Sep 26, 2008.

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  1. TWalker

    TWalker Guest

    Where is measurment taken? The attatchment bolts? The clutch housing?

    Seems most all of the rack mounts have either one of these measurements but whats the right way to measure?


  2. MotorBicycleRacing

    MotorBicycleRacing Well-Known Member

    Inside diameter of the clutch drum

    I just measured one and its 78 mm
  3. TWalker

    TWalker Guest

    Ahhh me too I took it apart and measured 78.

    I'm trying to figure if my GXH 50 will mount to any other drives beside Staton.

    I guess just because the clutch size matches doesnt mean the mount bolts will match.