Shimano Zee Crankset is designed for the rigors of gravity riding with thick-wall 2-piece cranks, a strong, steel axle, and steel pedal inserts. BSA threaded BB and 36T chainring included.
Specifications
- Crank Arm Length: 165mm // 170mm
- Spindle Diameter: 24mm
- Q-Factor: 174.7mm (FC-M640) // 189.7mm (FC-M645)
- Chainline: 50.4mm (142mm O.L.D.) // 57.9mm (150mm / 157mm O.L.D.)
- Chainring: 36T
- Chainring Mount: BCD 104
- Bottom Bracket: BSA Threaded 68/73mm or 83mm
Press-Fit bottom bracket compatible
- Material: Aluminum / Steel axle and pedal insert
- Weight: 906g (FC-M640, 36T, 170mm, without bash guard)
- Item #: FC-M640 // FC-M645
