The e*thirteen e*spec Race Carbon Ebike Crank Arm Set is a top - notch choice for Bosch Gen 4 eBike motors. These carbon crank arms feature a slim Q - factor and a smaller overall profile, showcasing e*thirteen's proven crank technology. With an 8mm self - extractor bolt built into both arms, removing the crank arms is a breeze. It has a World - Cup DH - rated layup and construction, ensuring high - quality performance. The compacted carbon fiber, with an extra 3k added to the front and rear faces of the crank, offers excellent impact resistance. Technical specs include a black color, 160mm crank length, a weight of 322, 9/16' pedal spindle, ISIS spindle interface type, and it's specifically designed for ebikes.
Using this e*thirteen e*spec Race Carbon Ebike Crank Arm Set is straightforward. Just attach it to your Bosch Gen 4 eBike motor following the standard installation procedures. When you need to remove it, use the 8mm self - extractor bolt built into each arm for easy disassembly. As for maintenance, keep the crank arms clean by wiping them with a soft cloth after each ride, especially if you've been in wet or dirty conditions. Avoid using harsh chemicals as they might damage the carbon fiber. Regularly check the tightness of the bolts to ensure a secure fit. If you notice any signs of damage or excessive wear, it's best to replace the crank arms to maintain optimal performance.
