... motorcycle tube has high quality 1.Valve:bent or straight 2.material:natural or butyl rubber 3.good air tightnes ... Details of this motorcycle tube: Model2.25/2.50-18Materialnatural or butyl rubberValvebent or straightPackaging1PC/Poly bag, 50pcs ... are Qingdao Shuntian Handtruck CO.,Ltd, leading products are motocycle tires and tubes, rubber wheels. tool carts, wheel barrows and ...