Adjustable For Safety: Tailored to fit 12 to 20 inch bikes, offering customizable support for various skill levels. Single Speed Design: Perfect for bikes without multiple gears, focusing solely on balance and stability. Quick Assembly: Complete with hardware and easy-to-follow guidelines, ensuring a seamless setup process. Safety And Stability: Built with ABS wheels and 3.0mm thick steel brackets for reliable performance. Enhanced Learning Experience: Facilitates a smooth transition from training wheels to independent cycling. Transform your child's biking experience with our adjustable training wheels. Suitable for bicycles sized 12-20 inches, these wheels are made of ABS and steel, offering both safety and style. Their easy assembly and compatibility make them a top choice for parents and young riders alike. 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.