e*spec Race Carbon Bosch Gen 4 Ebike Crank Arm Set

The e*thirteen e*spec Race Carbon Crank Arm Set is designed to work with Bosch Gen 4 eBike motors. These carbon crank arms offer a slim Q-factor and smaller overall profile, while keeping e*thirteen's proven crank technology at the forefront.

• An 8mm self extractor bolt is built into both arms for easy removal
• World-Cup DH-rated layup and construction
• Compacted carbon fiber with an additional 3k added to front and rear faces of crank for impact resistance