Product Description :
MaterialOur children's bicycle training wheels are made of metal and rubber , much more durable. FunctionOur cycling training replacement stable wheels have flash and mute functions, riding at night is more fun. SafetyThese rear wheels provide your child with safety and stability, and balance without having to hold the handlebar, increasing the child's confidence. Fitting typeThese rear wheels suitable for 12 14 16 18 20 Inch Kids Bike, meet the needs of children learning to ride while growing up. InstallationThese rear wheels easy to install, comes with fittings?wrench?, the support brackets are individually adjustable.