1 Winners Inner Tire 2 Butyl inner tube 3 Size:3.00/3.25-17,3.00/3.25-18,2.50-18,2.50-17,3.50-8 4 Good quality 5 ISO 9001 Winners inner tireAs the OEM manufacturer of motorcycle inner tube tyre, inner tube, tires and tubes, we can produce many kinds of the motorcycle tires and it's according tubes.motorcycle tube ( butyl tube and natural rubber tube )natural tube400/450-12450/500-12450/500-14450/ ...