Shimano ZEE FC-M645/M640 Crank/Bottom Brackets Sets
- Steel pedal inserts
- Thick wall aluminum construction
- Reinforced steel axle with 30% greater stiffness compared to Trail designated crank options
Description
Shimano ZEE FC-M645/M640 Crank/Bottom Brackets Sets
- Steel pedal inserts
- Thick wall aluminum construction
- Reinforced steel axle with 30% greater stiffness compared to Trail designated crank options