Specification:Inner Diameter for Axle: Approx. 1cm (3/8 ") Outer diameter: 2.5cm (1") Length: Approx. 2.75inch / 6.9cm Color: Pink, Blue, White, Black Weight: about 90g Package Contains: 2 x Bicycle Foot Pegs ( Supplied plastic wrapped without header card or additional packaging) Product DiscriptionLightweight and compact Bicycle Foot Pegs suitable for front or rear axlesMade from hard and sturdy Aluminum Alloy material，Strongly-built, safe and high weight-bearingSuitable for the types of 9 MM axis bicycles, exclude Fast disassembly type Hub axisGood tool for picking up another person by bicycleCylinder shape carved with non-slipping groovesAttaches onto axle for performing bike tricks Provide protection for speed shifting system Tips: Please do not stand on top, which will increase the rider in danger in the road. To avoid danger, do not load more than 60 kg