[NOTE] it suits for 20 inch children`s bicycles.Please choose according to the wheel size. [Safer with Built-in Spring] Built-in spring is more safe for your kids and it's made of high quality carbon steel, sturdy and very strong, waterproof and wear-resisting .Durable bicycle single-side stand. [Excellent Replacement for Training Wheel] Suitable for children's bikes/balance bike/small bikes/kids bikes.It makes you convenient to parking your child's bicycle. [Anti-slip function] The bicycle kickstand foot with non-slip rubber pads to prevent slipping on wet surfaces and easy to stand on. [Easy to Install] Please make sure you have removed all the nuts before put the kickstand in. It should be tighten directly to the bike frame without any nuts between them.Package include free multifunctional wrench for you to easily install. size:Length about 28cm Material:iron colour:Black Package Contents: 1 x Kickstand for Kids Bike Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.