... , or semi-pneumatic, steel or plastic rim, hub length, bearing diameter etc.Commonly: a wheel includes: tyre+tube+rim ... centereed. If steel: powerrd coated, or zinc platedBearing: ball bearing, roller bearing or nylon/steel bushingDetail refers to spare parts (tire, tube ... large orders on schedule but also arrange special products for small orders with multiple models. OEM is available.Supply Capacity: ...