Our bicycle training wheel set are an excellent accessory for any child's bike, offering the of stability and support. Made from excellent, wear-resistant materials, these wheels are built to last. They are easy to attach and remove, making them a convenient option for parents looking to help their children learn to ride confidently and safely. Features -Color:Multi -Material:Carbon Steel, PU -Size: 21.00X11.50X11.00cm/8.25X4.52X4.32in -Night ride safety: the kids bike training wheel are designed with glowing materials to enhance visibility during nighttime rides -Simple installation: these bike training wheel are easy to install and remove, making them convenient for parents to adjust as needed without requiring special tools -Protective side guards: the children training wheel feature a support side guard design that offers additional protection, ensuring your child's safety while learning to ride -Balance development: the training bike wheels are designed to help children develop their balance and coordination, making the learning process smoother and more confident -Sturdy construction: made from , wearresistant materials, these bicycle training wheel is built to last, providing reliable performance even with frequent use Package list: 2 x pairs of bike side wheels