Bike Foot Pegs Size: 9.7x2cm / 3.82'x0.79'(H*D); Axle Thread Diameter: M10x1.0; Fit for Axle Diameter: 3/8 inch. Durability: Passenger footrest pegs is durable and safe,cylinder shape carved with non-slipping grooves. High Quality: Bicycle Rear 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 installation and use. Fit for: Universal bike,road bike, mountain bikes, track bike, MTB, BMX.