... ,300-18,275-14,275-17,275-18,250-18,350-10,100/90-10,300-8,400-8,400-12 etc.2 ... .Motorcycle inner tube size:185-17,200-17,225-17,250-17,275-14,275 ... -18,300-17,300-18,325-16,325-18,110/90-16,275-17,350-18,400-10,400/450 ... -12,500-12,400/450-14,300-10,350-10,350-8,400-8 etc.3.Passenger ...