Feature:Made of chrome molybdenum steel material, waterproof and rust resistant.It can extend the pedal axle distance for 20mm, which gives you a comfortable riding.Universal fit for any 9/16 inch threaded pedals bicycle. Easy to install in a short time.Comes with one pair, right and left extenders are easy to identify with unique L and R markings.You can use an open ended wrench to tighten the extender. (no more than 7mm in diameter of the wrench)Specification:Condition: Brand NewType: Bicycle Pedal ExtenderColor: Silver ToneMaterial: Chrome Molybdenum SteelSize: 32x18mm / 1.26"x0.71"(H*D)Crank Threading Compatibility: 9/16"Pedal Spindle Compatibility: 9/16"Pedal Axle Distance Extension Length: 20mm / 0.79"Thread Size: M14x1.25Package Includes: 1 Pair x Bicycle Pedal Extender.