... hub length, bearing diameter etc.Commonly: a wheel includes: tyre+tube+rim+bearing=wheelTires: different tire layer: 2pr/4pr/6prTubes:natural ... or nylon/steel bushingDetail refers to spare parts (tire, tube, rim)We are able to meet customer's request. ... Capacity: 20,000 pcs/monthProducts: inner tube,natural rubber tube,butyl rubber tube,tyre,motorcycle tyre,rubber wheel,solid wheel,foaming wheel,rubber ...