Optimized for the industry-leading Bosch Gen4 motor as well as the light-and-quiet TQ HPR50 drive unit (Found on the 2023 Trek Fuel Ex-E) the RaceFace Era-E eMTB carbon crankset saves grams while staying scuff-free and looking great. Cruise up for another lap and let your cranks do the talking.Era-E's unique stainless steel wear plate protects against shoe rub damage and keeps your cranks looking fresh after spinning up all those pedal-assisted climbs all while adding additional impact protectionRaceFace made this carbon e-bike crank so strong so stiff and so durable that they are backing it up with a Lifetime Warranty inclusive of crashes. Let 'er rip. These cranks can take itIncludes: Pedal Boots Washers + Spindle Spacers (Chain Rings + sold separately)UD Carbon crank arms with stainless steel wear platesOptimized for Bosch Gen4 and TQ HPR50 but also compatible with Bosch Gen2 drive units