STURDY & DURABLE Ball bearings system optimizing every your platform Pedal stroke,slide smoothly, High-strength aluminum alloy casting Body makes the bike pedals more durable. GREAT GRIPS Anti-skid nails on each side provide more secure on the pedals and hold your feet in place. Even if they are covered with a thick layer of mud after a muddy ride, you don't worry your feet slipping off the pedalsakes the bike pedals more durable. WIDER PLATFORM & LIGHTWEIGHT 3.8" wide platform and 0.8lb ultralight ergonomic design pedals with high speed bearings for long ride comfort and improve pedaling efficiency EASY TO INSTALL L for left; R for right. Sealed bearing bicycle pedals protect spindles from water and dust which will cause noise and other problems, let you enjoy cycling in raining or climbingort and improve pedaling efficiency UNIVERSAL Spindle fits for BMX, MTB, Mountain Bike, Hybrid bike, Old School, Cruiser, Cyclocross Bike, Dirt Jumper, Folding Bike, Road Bike- Touring, Track Bike, Unicycle, Urban Bike - Fixed Gear