110/90-16 high quality motorcycle inner tube 1. Material: natural rubber/butyl 2.Various size & pattern 3.A/V, E/V, F/V ... ,D/V 110/90-16 high quality motorcycle inner tube:1. ... -8, 350-18, 350-10, 300-10, 325-18, 110/90-16, 410-18, 300-8, 90/90-10, 400 ... , 300-21, 460-18, 250-14, 500-12, 110/80-17, 110/80-182. Material: 1) natural rubber tube ; butyl ...