FSA E-Bike CK-745/IS/Gen4 ISIS Crank Arms

The FSA CK-745 ISIS e-bike crank arms are made from aluminium and fit many Bosch, Yamaha and Giant motors. Choose the length you need from 165, 170 and 175 mm.

• Lightweight aluminium: approximately 480 g per pair
• Fit Bosch Performance Line, Yamaha PW-X and Giant SyncDrive Pro
• Not suitable for Bosch Active Plus motors from 2018 onwards, which require mini-ISIS
• The pack includes the complete pair, right and left
• Choose from 165, 170 and 175 mm lengths to suit your bike

Technical specifications

• Model: CK-745/IS/GEN4
• Material: Aluminium
• Weight: approximately 480 g (pair)
• Lengths: 165, 170, 175 mm
• Interface: ISIS
• Compatibility: Bosch Classic, Active and Performance Line (Gen2, Gen4); Yamaha PW-X, PW-X2, PW-X3; Giant SyncDrive Pro and Pro2; TQ-HPR50; Brose; Fazua Ride 50
• Not compatible: Bosch Active Plus motors from 2018 onwards, which require mini-ISIS
• Package contents: 1 pair of crank arms, right and left