【Fitment】: 4.80/4.00-8 wheelbarrow inner tube maximum outside diameter approx. 15 inches, for many minibike, go-karting, mowers, hand trucks, wheel barrows, cart, and sack trucks tyre. Also written as 4.80-8 inner tube.
【Material】: Use heavy duty butyl rubber to make this 4.80/4.00-8 inner tube, a rubber that is better at keeping air in the inner tube, whereas regular natural rubber inner tubes usually need to be re-inflated in 30-45 days.
【Thicknesses】The thicker butyl rubber material also gives this 4.00-8 sack barrow inner tube better stretch and shock absorption for a smoother ride on all surfaces.
【Valve】: Use TR87 pure copper valve for this 4.80/4.00-8 sack truck inner tube，not only strong oxidation resistance, not easy to leak, 90 degree bending inflatable is also more convenient.
【Package】: 2 pack of sack barrow inner tube 4.80/4.00-8 with bent valve stem.