QUALITY MATERIAL Rugged nylon fiber surface and high strength Cr-Mo spindle is wear and corrosion resistance. UNIVERSAL PEDALS CR-L for left; CR-R for right. Standard 9/16" spindle fits for most road mountain bikes. ANTI-SKID CLIPS 10 anti-skid nails on each side provide more secure on the pedals and hold your feet in place. LARGE PEDALS: 110mm wide platform fully support the soles of the feet, make your riding trip more safer. ANTI-SKID NAIL: Up to 10 anti-skid nails on each side provide more secure on the pedals and hold your feet in place. SOLID & DURABLE: Rugged nylon fiber surface and high strength Cr-Mo spindle pedals is wear resistance and corrosion resistance. SEALED BEARING: Fully sealed bearing bicycle pedals keep spindles from water and dust which ensure great durability and performance. EASY TO INSTALL: CR-L for left pedal and CR-R for right pedal. Standard 9/16" spindle fits for BMX, MTB, Folding, Road or Mountain Bikes.