Suitable for both front and rear axles •Strongly-built, solid material •Safe and heavy weight-bearing •Cylinder shape carved with non-slipping grooves •Convenient tool for picking up another person by bicycle •Attach onto axle to perform bike tricks •Good protection for speed shifting
Material: aluminum alloy Suitable for the types of 9 mm axis bicycles,exclude fast disassembly type hub axis Diameter of Thread: Approx. 3/8 inch
