4.80/4.00-8 Heavy Duty Inner Tubes 2 Pack with TR-13 Straight Valve, Premium Natural Rubber Replacement for 8 Inch Rims on Wheelbarrows, Lawn Mowers, Hand Trucks, Carts, Wagons, Generators and Utility

4.80 4.00 8 Heavy Duty Inner Tube Set for Utility Wheels
✔️ TR 13 Straight Valve Replacement Tubes for Wheelbarrows and Carts

These heavy duty inner tubes are made for utility wheels that see real work, including wheelbarrows, hand trucks, mowers, carts, and small equipment. Designed to fit 8 inch rims, they’re built from thick natural rubber to improve ride comfort, handle daily abuse, and keep you moving with fewer flats. Pack size includes two inner tubes.

✅ Pack size: 2 inner tubes
✅ Tire size fit: 4.80 4.00 8
✅ Rim size: 8 inch
✅ Outside diameter fit: about 15.5 inch
✅ Valve type: TR 13 straight valve stem
✅ Material: premium natural rubber
✅ Thick rubber construction for shock absorption
✅ Helps seal air quickly if punctured
✅ Works for wheelbarrows, hand trucks, carts, mowers, and trailers
✅ Built for all weather use

Dimensions
Tire Size 4.80 4.00 8
Rim Size 8 inch
Outer Diameter 15.5 inch
Valve Type TR 13 straight

These replacement tubes help smooth out bumps, reduce vibration, and extend tire life on equipment that gets pushed hard every day.

💡 Why choose heavy duty inner tubes for utility wheels and equipment?
Heavy duty inner tubes are made to improve reliability, comfort, and safety in working environments.

• Thicker rubber absorbs shock and reduces bounce on rough ground

• Strong natural rubber resists tearing and wear better than thin tubes

• Quick air sealing helps limit sudden deflation if punctured

• Proper fit keeps tires stable under load and frequent movement

A solid choice when you want fewer flats, a smoother ride, and dependable performance for work carts, wheelbarrows, and small utility machines.