Hardened steel bits

True to its roots

Cons: Not as friendly on the wallet as BOX's Two/Three Prime 9 derailleurs but you do get what you pay for

Pros: Can carry 4 bikes with minimal effort

Praxis eCrank Alloy Crank Arms - ISIS - No Spider - No Chainring - Black - 160mm Ignore Wholesale Tier 2 Brand Rule Hardened steel bitsThese cold forged alloy crank arms have a new shape for greater rigidity and improved compatibility. Compatible with many E Bike motors using ISIS spindles such as Bosch, Yamaha, Brose, Fazua and Specialised ISIS. These cranks do NOT install on Bosch "Micro ISIS" or "Square Taper" spindle motors Who's this item for? Ebike riders with a motor with an ISIS spindle. Spindle Size: ISIS Weight: 485g. Chainring: No chainring included. Crank Arm Length: 160,