Features1、It fits children's bicycles sized 12-202、It ensures your kids' safety and prevents accidental injuries when learning to ride.3、Providing more confidence compatible with your kid to learn to ride bikes while they know they are safe, which enhance their learning efficiency.4、Fittings are supplied compatible with easy installment.5、Strong metal supports to give extra stability and security.This practical training wheels is suitable compatible with bicycles from 12-20 inch, which aims to provide the necessary security and stability compatible with your kids. Safer kids feel, more confident they'd like to ride bicycle and even quicker they learn.Features:1. It fits children's bicycles sized 12-20" so that you can move them from bike to bike as your kids grow.2. It ensures your kids' safety and prevents accidental injuries when learning to ride.3. Providing more confidence compatible with your kid to learn to ride bikes while they know they are safe, which enhance their learning efficiency.4. Fittings are supplied compatible with easy installment.5. Strong metal supports to give extra stability and security.Specification:Material: Plastic+IronColor: BlueSuit compatible with: 12-20inch BikesWeight: Approx. 720gPacking List:1 x 2Pcs/Pair Training Wheels(With Fittings)Package List