... produce motorcycle tyre ,motorcycle tubeless tyre ,motorcycle inner tube ( natural rubber or butyl ) , If you have the specific requirement , you can ... produce the specific goods ,just for you !inner tube (natural rubber or butyl) Valve:TR13 350-6,350-7,300-8 ... -17,250-18,275-14,275-17,275-18,275-19,300-12,300-18,300-17,350-8,350-10 ... ,325-16,410-18,275-21,300-21,375-19,300-23,300-25,300-27,70/90-17,70 ...