24+ 20 Inch Training Wheels Background. Don't assume it is, take it. A wide variety of 20 there are 743 suppliers who sells 20 inch training wheels on alibaba.com, mainly located in asia.
If your son has no mental or physical problems then he doesn't need training wheels.
White, yellow, red, green, blue, black, pink. Suitable for children from 12 inches to 20 inches. The training wheels is solid / stable and very suitable for kids who is just starting to ride a bicycle. White, yellow, red, green, blue, black, pink.