1.12 inch plastic PU foam wheel can be used on kid bike,balance bike,cart,trolley and so on. 2.The tire is soft solid Polyurethane foaming material and the rim is PP plastic material. 3.Wheel's diameter is 300mm & tire width is 48mm.
12 1/2x2 1/4
PU foam tire
Bearing hole diameter
kid bike,balance bike,cart,trolley
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