?This set of stabilizers assist young learners until they have developed a usable sense of balance on the bicycle. Improve your child's safety and confidence without holding the back of the saddle .
?Wheels diameter:4.33 inch. Universal training wheels fits for 12/ 14/ 16/ 18/ 20 inch children's bicycles. Tips: For Single Speed Bikes Only (Cannot Be Installed On Bikes with Derailleurs) and Supports Riders up to 100 Pounds .
?These bicycle training wheels are made of high quality plastic and rubber which it is anti-slip, wear resistant, providing stability and help children to ride a bike without fear. Light weight and noiseless.
?Easy to install, all mounting hardware and installation instructions is included, you will have more choices to adjust the height.
?If you are not satisfied with the product, please contact us by email and we will return or send you a set of products.
?Contact us if you have any problem with the product or the process of using it, we will solve it for you, 24 hours for you