Upgrade your e - bike drivetrain with the e*thirteen Helix e*spec Crank Arm Set. These 160mm black crank arms offer high - end features and great looks at an amazing price. They're forged for e - Enduro strength, equipped with alloy self - extractor bolts, pedal washers, and molded impact boots. The 24mm ISIS interface models work well with Bosch Gen 4, Brose S Mag TQ, Fazua, Yamaha, Maxon, and Specialized Brose motor systems. You can even get them in short 155mm lengths for better pedal clearance. Features include forged CNC - machined AL - 6066 - T6 arms, compatibility with 24mm ISIS spindles, and the chainring is sold separately.



Using this e*thirteen Helix e*spec Crank Arm Set is straightforward. First, make sure your e - bike's motor system is one of the compatible ones like Bosch Gen 4 or Brose S Mag TQ. Then, install the crank arms carefully following the standard bike installation procedures. When riding, enjoy the smooth pedaling experience provided by the high - strength forged arms. For maintenance, regularly check the alloy self - extractor bolts and pedal washers. Make sure they're tightened properly but don't over - tighten them. Clean the crank arms with a mild bike cleaner and a soft cloth. Store your e - bike in a dry place to prevent rust. If you notice any signs of damage or unusual noise during pedaling, it's a good idea to have a professional bike mechanic take a look.