Durable and Strong: The mountain bike pedals are made of durable nylon composite pedal body and high strength Cr-Mo spindle which has shock-proof, abrasion and corrosion resistance Anti-skid & Great Grips: The flat mountain bike pedals designed with 9 replaceable steel Pins per side provide great grip and a safe ride on rainy days and bumpy roads. Even if the nylon pedals are covered with a thick layer of mud after a muddy ride, never worry your feet slipping off the pedals Ultra-Thin and Wide Platform: The bike peals only 0.7" thickness, ultra-thin design gives you max clearance to reduce pedal strikes and deflect off trail obstacle, 4.17"x4.09" (L x W) large platform pedals will provide more support, allow you to adjust position and angles as needed during long rides Light Weight and Easy to Install: The MTB pedals only weight 352g / 12.4 ounce per pair, Mark of CR-L for left and CR-R for right. Sealed bearing bicycle pedals protect spindles from water a