4.10/3.50-4 Heavy Duty Inner Tubes 2 Pack with TR-87 Bent Valve Stem, Premium Natural Rubber Replacement for 4 Inch Rims on Wheelbarrows, Lawn Mowers, Hand Trucks, Carts, Wagons and Utility Equipment

4.10 3.50 4 Heavy Duty Inner Tube Set for Utility Wheels
✔️ TR 87 Bent Valve Replacement Tubes for Wheelbarrows and Carts

These heavy duty inner tubes are made for small utility wheels that see constant use, including wheelbarrows, hand trucks, mowers, dollies, and compact equipment. Built from thick natural rubber, they’re designed to hold air reliably, absorb shock, and improve ride comfort on rough ground. Pack size includes two inner tubes.

✅ Pack size: 2 inner tubes
✅ Tire size fit: 4.10 3.50 4 and 3.50 4
✅ Rim size: 4 inch
✅ Valve type: TR 87 bent valve stem
✅ Material: premium natural rubber
✅ Thick rubber construction for shock absorption
✅ Helps seal air quickly if punctured
✅ Suitable for all weather use
✅ Works with wheelbarrows, hand trucks, carts, mowers, and small equipment

Dimensions
Tire Size 4.10 3.50 4
Alternate Fit 3.50 4
Rim Size 4 inch
Valve Type TR 87 bent

These replacement tubes help reduce vibration, smooth out bumps, and keep equipment rolling comfortably during everyday hauling and yard work.

💡 Why choose heavy duty inner tubes for small utility tires?
Heavy duty inner tubes are built to improve safety, comfort, and reliability in working equipment.

• Thicker rubber absorbs impacts and reduces bounce

• Natural rubber resists tearing and premature wear

• Quick air sealing helps limit sudden deflation

• Proper valve design makes inflation easier on compact wheels

A handy pick when you want fewer flats, smoother movement, and dependable air retention for small carts, wheelbarrows, and utility machines.