Stability: Wear- materials PVC wheels, as well as high-quality frame, provide the necessary and stability required for the first road test, supporting weighing up to 100 lbs. Give your child the best start in gaining and confidence without holding onto the back of the saddle. : The training wheels are suitable for 12/ 14/ 16/ 18/ 20 inch kids single-speed bikes, but not for multi-speed Non-Slip, No Noise: Non-slip, No Noise, This is a great kit for your child's first lessons. Training wheels that fit up to 20" Easy to Install: We provide installation tools. You have more options for height adjustment, so you can easily and quickly install training wheels on your. Packing list: including two, two washers, two shoulder, two vertical bracket arms, two wheels, 1, 1 installation manual, 1 bell Enhance bike safety with these training wheel replacements for 12-20 inch wheels This 1 pair set features built-in flashing lights for increased visibility during rides The universal fit design works with most children's bikes requiring training wheels Easy installation allows parents to upgrade existing training wheels without tools Ideal for young cyclists transitioning from training wheels to independent riding