Product Size: 10x2.5cm / 3.94'x0.98'(H*D); Axle Hole Diameter:1cm/0.39'. Durability: Bicycle Foot Pegs is durable and safe,cylinder shape carved with non-slipping grooves. High Quality: Bicycle Rear Stunt Footpegs are made of high-strength aluminum alloy material, strongly-built and heavy weight-bearing. Easy to Use: Mounted on the rear axle of the bicycle,Install the shaft screws to leak at least 6mm,Or directly remove the shaft nut the longer the screw leaks , the safer theinstallation and use. Fit for: universal Bike,road bike, mountain bikes, track bike, MTB, BMX.