Race Face Next R E-Bike MTB CrankarmsThese trail-ready crank arms are ideal for using with your Bosch e-bike motor system. Thanks to their increased clearance, optimised Q-Factor and redesigned spline interface, you’ll benefit from maximum strength when riding the trails. Their carbon construction means you won’t have to worry about adding any unnecessary weight to your ride, as they weigh in at only 366g. These are an ideal choice of upgrade for excellent durability and powerful pedalling performance wherever the off-road takes you. Features: Material: Carbon Use: XC, Trail, AM, Enduro, Downhill Spindle Size: Bosch Compatible Length: 165mm Compatibility: All Bosch E-bike motors Q-Factor: Optimised Extended spline interface for clearance of additional e-bike motor enclosures Weight: 366gBuy Race Face Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.