Upgrade your e-bike drivetrain with the e*thirteen Helix e*spec Crank Arm Set. These 170mm cranks in sleek black offer high-end features and aesthetics at a great value. Forged for e-Enduro strength, they come with alloy self-extractor bolts, pedal washers, and molded impact boots. The 24mm ISIS interface models work with Bosch Gen 4, Brose S Mag, TQ, Fazua, Yamaha, Maxon, and Specialized Brose motor systems. Short lengths from 155mm are available for better pedal clearance. Key features include forged CNC machined AL-6066-T6 arms, compatibility with 24mm ISIS spindles, and the chainring is sold separately. Color: Black. Pedal Spindle: 9/16'. Designed for ebikes.



Using your e*thirteen Helix e*spec Crank Arm Set is easy. First, make sure your e-bike's motor system is compatible with the 24mm ISIS interface of these cranks. Then, install the cranks following the standard installation process for your bike. When riding, enjoy the smooth pedaling experience provided by the high - end design. As for maintenance, regularly check the alloy self - extractor bolts for tightness. If they seem loose, gently tighten them. Clean the cranks with a mild soap and water solution to keep them looking good and functioning well. Avoid using harsh chemicals as they may damage the finish. When not in use, store your bike in a dry place to prevent rust and corrosion.