The e*thirteen Helix Race Alloy e*spec Crank Arm Set in black is a high - performance, weight - optimized choice for riders who love alloy cranks. With a 18mm offset and 160mm length, it features a self - extractor. These 24mm ISIS interface cranks are compatible with multiple motor systems like Bosch Gen 4, Brose S Mag, TQ HPR 50, Fazua, Yamaha, Maxon, and Specialized Brose. They come in short lengths starting from 155mm to improve pedal clearance and are E - Enduro standard tested.
Using this crank arm set is straightforward. Just attach it to your compatible e - bike motor system according to the standard installation steps. When using, make sure your feet are firmly on the pedals for a smooth ride. For maintenance, regularly check the tightness of the parts to avoid loosening during use. Clean it with a mild detergent and a soft cloth to keep it looking good. Avoid using abrasive materials that could scratch the surface. Store it in a dry place when not in use to prevent rusting.
