Tech Specs

This helmet stands for enduro and downhill races and does not compromise

offering them the same proven safety features available to older riders get with the Mainframe helmet

When topping off a tube/tyre that already has pressure in it

a roller bearing and a bush

Hope eBike Narrow Crank Arms - ISIS Spline - 165mm - Black - No Spider - No Chainring - Pair eBay Tech SpecsThese 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: