Put it all together and you have great comfort

Injection molded branded trim to protect fiberglass helmet shell

Neck: The standard round neck keeps things comfortable

External Width: 34mm

With fast and easy ring changes you can easily change rings to suit the terrain you are on

Hope eBike Narrow Crank Arms - ISIS Spline - 155mm - Black - No Spider - No Chainring - Pair Ignore Wholesale Tier 2 Brand Rule Put it all together andThese versatile eBike cranks are designed specifically for the latest breed of MTB eBikes and are designed, tested, and beautifully machined by Hope in the UK. Suitable for eBikes with motor systems using an ISIS spline axle crank arm interface such as the Bosch Gen 2 4 and Yamaha PW X systems. NOT compatible with Bosch Gen 3 BNI spindle interface. These cranks are forged and CNC machined from 7150 series aluminium alloy by Hope in the UK. Features: