Motorcycle Inner Tube 3.00-17 Natural/butyl tube Weight:420g MPA:9.5 Tube valves: ... -18,300-18,275-18,250-18,325-17,300-17,275-17,250-17,225-17,350-16,300-16,275-16,250-16 ... ,225-14,300-12,400-10,350-10,300-10,275-10,250-10,400-8,350-8...300/325-17,300/325-18,250/275 ... /90-18,90/100-18,70/100-19,70/100-17,110/90-16,90/100-16,130/90-15... natural ...