Fsa yamaha alloy chain guardthis electric bike (e-bike) chainring features a hard-wearing alloy construction, which allows it to handle the increased speeds and torque produced by electric motor systems.
This model is compatible with yamaha e-bike engines.
Features: material: alloy use: e-bike bcd: 104 engine compatibility: yamaha part number: 4713170266768buy fsa components from chain reaction cycles, the worlds largest online bike store.