SUPOW(TM) 1 Pair Anti-skid Durable Aluminum Alloy Pedal For MTB/Road/BMX Bike Bicycle Clycling Anti-slip nail design to increase adhesion, making riding more does not come off easily, does not slip when accelerating. Suitable for mountain bikes, road bikes, die coaster etc. Foot bearings used in high hardness steel material, slip-nail design to make riding safer, ball seal and keep dust out, and extended service life. High quality aircraft aluminum, lightweight and durable. CNC delicate precision shaping crafts. Considerate "R" & "L" mark on each pedal, easy to install.