... all kind wheels, pneumatic rubber wheels,solid rubber wheels, powder rubber wheels,semipneumatic wheels,flat free polyurethane wheels(pu wheels),truckle etc. ... Specification:rubber wheel 1)pneumatic and solid wheel2)palstic and steel rim3)rubber esispastic and PU ... bicycle we can supply all kind of rubber wheels,eg 1)5inch : 5'X1.5', 2 ...