Solid Wheel,Rubber Powder wheel,13''x3'' 1.Competitive price,Superior quality 2.Prompt delivery Wheel choice:While choosing a wheel, you’d consider several elements: what size and load, pneumatic or solid, or semi-pneumatic, steel or plastic rim, hub length, bearing diameter etc.Commonly: a wheel includes: tyre+tube+rim+bearing=wheelTires: different tire layer: 2pr/4pr/6prTubes:natural or butyl ...