Description This is a children bike training wheel, made of good material, and it is easy to install. What's more, your children will like this when they are training bike. And this set can be your kids' helper.These rear wheels provide the necessary safety and stability. A great tool for your child's first cycling lesson! Features - Color: Blue -Material:Iron, PP, aluminium alloy -Size(wheel):10.50X10.50X2.00cm/4.13X4.13X0.79in -This bike stabilizers assist learners until they have developed a usable sense of balance. -Anti-slip, wear resistant, providing stability and help children to ride a bike without fear. -Thicker than the ordinary training wheel and added a small bracket that it's more stable. -Professional and practical design with beautiful appearance, easy to install and use. -The wheel is designed with the sturdy construction, more safe for your children. This bike stabilizers assist learners until they have developed a usable sense of balance on the bicycles. Anti-slip, wear resistant, providing stability and help children to ride a bike without fear. Thicker than the ordinary training wheel and added a small bracket that it's more stable. Professional and practical design with beautiful appearance, easy to install and use. The wheel is designed with the sturdy construction, more safe for your children.