escription:
Pefect Fit: Replacement Tire Inner tubes for 18x8.50-8" and 18x9.50-8" Tires. This replacement inner tubes universal fit for 18x8.50/9.50-8" tires/wheels (Fit vehicles with 8” rims that are between 8.5'' to 9.5'' wide). Also called as 18x6.50-8, 18x7.50, 18x8.5-8, 18x9.5-8, etc.
Heavy Duty Inner Tube: Made from premium-quality, heavy-duty rubber and so are better in air tightness and aging resistance. These inner tubes are durable and ideal for home, professional and commercial or industrial use.
Great Compatibility: Fits with 8" rim. This inner tube is compatible with various equipement such as ATVs, quad 4 wheelers, Go Karts, lawn mowers and tractors, hand trucks, wheelbarrows, garden / utility flat carts, golf cart, yard trailers, wagons, generators, snow blowers, perssure washers, tillers, air compressors, wood chippers, dollies, trolleys and more.

Specification
Note: 30PSI maximum. Only inflate with manual pump to avoid overfilling. Not for road/highway use.
Replacement Tire Inner tubes for 18x8.50-8" and 18x9.50-8" Tires. This replacement inner tubes universal fit for 18x8.50/9.50-8" tires/wheels (8.5"-9.5" outside diameter, 8" width). Also called as 18x6.50-8, 18x7.50, 18x8.5-8, 18x9.5-8, etc.
Material: high quality rubber
Valve: straight valve system gap
Package: pack of 2 replacement inner tube