The e*thirteen Helix Race Alloy e*spec Crank Arm Set in black is a top - notch choice for riders who love alloy cranks. It offers a high - performance, weight - optimized alternative to carbon fiber. With a 24mm ISIS interface, these cranks are compatible with Bosch Gen 4, Brose S Mag, TQ HPR 50, Fazua, Yamaha, Maxon, and Specialized Brose motor systems. Starting at 155mm in short lengths, they provide better pedal clearance and are E - Enduro tested. Color: Black. Crank Length: 160mm. Pedal Spindle: 9/16'. Designed for ebikes.

Using this e*thirteen crank arm set is easy. First, make sure it's compatible with your ebike's motor system. If it is, simply install it on your bike following the standard installation steps. When riding, enjoy the better pedal clearance thanks to the short lengths available. As for maintenance, regularly check the crank arms for any signs of wear or damage. Keep them clean by wiping them down with a soft cloth after rides. If you notice any loose parts, tighten them carefully. Also, avoid exposing the cranks to extreme conditions for long periods. This will help keep your crank arm set in good shape and ensure a smooth riding experience.