Description Your child's safety is our concern. We make our heavy duty training wheel with special attention to stability, the wheel design is thicker than the ordinary training wheel and added a small bracket that it's more stable, for your peace of mind. Features -Color:Black -Material:Iron, PP, aluminium alloy -Size(wheel):10.50X10.50X2.00cm/4.13X4.13X0.79in -Increase the span of the bracket to prevent the bike from rolling over, just to protect the children -The training wheel for kids bike have the function of slips-proof and noise-free for a safer, easier ride. -So that your child can be safer and smoother when riding, without any worry or fear. -Our bike training wheel can be installed onto your child’s bike quickly and simply. -It can be adjusted at any time according to the skills and levels of the children. Training wheel can be adjusted at any time according to the skill and level of the trainee. Increase the span of the bracket to prevent the bike from rolling over, just to protect the children The training wheel for kids bike have the function of slips-proof and noise-free for a safer, easier ride. So that your child can be safer and smoother when riding, without any worry or fear. Our bike training wheel can be installed onto your child’s bike quickly and simply. It can be adjusted at any time according to the skills and levels of the children. Training wheel can be adjusted at any time according to the skill and level of the trainee.