The FSA CK-220 crank arms are designed for Bosch Gen 4 e-bike systems, offering reliable performance with a wider stance for improved stability and control. Constructed from durable die-cast alloy, they provide a strong, lightweight upgrade for modern e-bikes.
- Durable die-cast alloy construction
- 170mm crank arms
- ISIS drive and interface
- Compatible with Bosch Gen 4 motors
- Wider stance for added stability