Replacement inner tube for off-road use — fits 4.00 x 6.00 tires on 6" rims with a straight valve stem Key benefits - Direct-fit replacement: Sized specifically for 4.00 x 6.00 tires and 6" rims to restore a proper seal and reliable inflation. - Off-road ready: Built to withstand the demands of uneven terrain so you can return equipment to service quickly. - Simple installation: Straight valve stem allows for straightforward mounting and inflation with standard pumps and air fittings. - Restores performance: Replaces damaged or leaking tubes to recover traction, load support, and ride consistency. Important specifications - Intended use: Inner tube for off-road applications - Tire size compatibility: 4.00 x 6.00 - Rim fit: 6" rim - Valve type: Straight valve stem What it does - Seals the wheel interior and holds air pressure so tires maintain shape, load capacity, and traction. - Replaces punctured or worn tubes to prevent repeated flat tires and downtime. Practical applications - Wheelbarrows and garden carts used on rough paths and landscaping sites. - Small utility trailers or yard equipment that specify 4.00 x 6.00 tires on 6" rims with a straight valve. - Any compact off-road equipment where a direct-fit inner tube with a straight valve is required. Installation and care tips - Inspect the tire and rim for sharp objects or rough edges before installing the new tube. - Seat the tube evenly inside the tire, align the straight valve with the rim hole, and inflate gradually while checking for pinching. - Inflate to the tire manufacturer’s recommended pressure and recheck for leaks after a short test run. Compatibility note - Use only with 4.00 x 6.00 tires mounted on a 6" rim and with a straight valve stem. Do not substitute for tubes sized or specified differently. This tube provides a straightforward, compatible replacement to get your off-road equipment back to dependable operation.