Description: [Quality material]: This bike crankset is made of quality aluminum alloy and steel, which is wear resistant, sturdy, and not easy to deform. It can be used repeatedly for a long time [Bicycle replacement part]: This bike chainring crank arm set is a great replacement part for repairing bicycles, suitable for most children's folding bikes [Easy to install and use]: This bicycle square taper crankset is easy to install without complicated steps. It features a hollow out design that makes it lightweight and flexible to use [Wide application]: This 32T bike crank set is nice for children's bikes, folding bikes, etc., and also suitable for single speed and variable speed bicycles [Practical tool]: These cycling accessories are practical tools for those who love cycling, bike maintenance, and care They make great gifts Specification: Material: Aluminum Alloy and Steel Size Chart:Crank Length 14cm/5.51inch Package Includes: 1 Set Bike Crankset Note: Please allow slightly errors 1-2cm differences due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin