Praxis E-Bike Crank Arm Set, Bosch SX & CX/Yamaha/Giant, ISIS, 170mm,EC-1 Type 1
Bosch EC G4 ISIS 170mm Praxis Carbon Crank Arms. TheBosch EC G4 ISIS 170mm Praxis Carbon Crank Arms are designed for high-performance and durability on electric bikes equipped with Bosch, Yamaha, or Giant motors.