Top Quality Natural Rubber Motorcycle Inner Tube (4.00-8)Products Specification:(1) Weight: 390 grams(2) Valve: TR4(3) Section Width: 75 mm(4) Soft, Tensile Strength. The average tensile strength reaches 9.5 MPa, the elongation at break up to 550%(5) Good Sealing (6) Certification: ISO9001, DOT, ECE, SONCAP, NOM(7) Delievery Time: Within 25 days(8) Packing Kinds: Box, Plastic, Poly BagsDescription:(1) We can offer motorcycle butyl and natural inner tube(2) We can give you the most competitive prices and high quality, Because we are much more professional!(3) Sample is available if you are a real buyer.(4) Welcome your inquiry for our products and also I will give you a detailed reply(5) OEM accpted(6) Material: Butyl rubber and natural rubber Pack Expense: The packs are aluminum foil bag (0.02$/pc), translucent plastic film packing (0.01$/pc), bale packing (0.01$/pc), carton expense (0.02$/pc), box expense (0.02$/pc), brand and vulcanize label (0.02$/pc).