PROMEND PD-M29 1pair DU Bearings Pedal Aluminum Mountain Car Peilin Riding Foot Pedal(Black)1. Aluminum alloy body, light and strong 2. Large tread surface, the pedal grips the foot, and the pedaling effect is good 3. Easy to maintain and durable (Please note that the newly received pedals feel that they can not move, you need to install them on the bicycle and pedal for 3 5 turns before they can be used normally) 4. Double DU bearings, large tread, integrated cleats 5. Material: aluminum alloy body, chromium molybdenum steel shaft core 6.