... : what size and load, pneumatic or solid, or semi-pneumatic, steel or plastic rim, hub length, bearing diameter etc. ... layer: 2pr/4pr/6prTubes:natural or butyl tubeRim: steel or plastic rim, offset or centereed. If steel: powerrd coated, ... inner tube,natural rubber tube,butyl rubber tube,tyre,motorcycle tyre,rubber wheel,solid wheel,solid and crumb wheel,foaming wheel,rubber productsTrade Terms: FOB ...