... . Detailed Product Description bike inner tube, electric bike inner tube and motorcycle inner tube1.Produce Motorcycle tyre,motorcycle butyl inner tube and natural inner tube 2.Quality certificate:ISO9001 ... -8, 225-14, 275-14, 300-14, 225-16,250-16, 275-16, 300-16, 325-16, 350-16, 200-17, 225-17, 250-17, 275 ... , 325-17, 300-17, 275-17, 250-17, 350-16, 300-16, 275-14, 325-17,300-12, 400-10, 350-1080 ...