... rubber 3,Valve: TR13 4,Weight:400g natural rubber inner tube 1,Model size :400-82,Material : ... TR134,Weight:400g5,We expot the tyre and inner tube to TRUPER , So you can trust our ... we can produce motorcycle tyre ,motorcycle tubeless tyre ,motorcycle inner tube ( natural rubber or butyl ) , If you have ... can produce the specific goods ,just for you !inner tube (natural rubber or butyl) Valve:TR13 350- ...