Two Pack 18x8.50/9.50-8 Inner Tubes With TR-13 Valve Stem For Lawn Mowers, Tractors, Wheelbarrows, ATVs, Go Karts, And More, Fits 8.5 To 9.5 Inch Wide Tires, Built To Last, Puncture Resistant

Two-Pack 18x8.50/9.50-8 Inner Tubes with TR-13 Valve
✔️ Heavy-duty 18x8.50/9.50-8 inner tubes with TR-13 for 8 in rims

These inner tubes are built for rugged outdoor equipment and are designed to replace worn tubes inside tires on lawn tractors, ATVs, go-karts, wheelbarrows, and other yard machines. They fit 8-inch rims and support tires from about 8.5 to 9.5 inches in width, delivering reliable sealing and long-lasting performance in tough outdoor conditions.

✅ 4X thicker butyl rubber for puncture resistance and longer life
✅ Fits 18x8.50-8 and 18x9.50-8 tires on 8-inch rims
✅ TR-13 straight valve stem supports easy inflation with standard air pumps
✅ Universal compatibility with common yard tires used on lawn tractors, ATVs, UTVs, golf carts
✅ Pack of 2 inner tubes included for quick replacement or spares

💡 What is an inner tube with TR-13 valve used for?

These tubes are designed to seal inside tires on equipment and small vehicles, keeping air in and tires performing reliably.

- Handy for lawn tractors, ATVs, go-karts, wheelbarrows
- TR-13 valve enables easy inflation with standard pumps
- Fits 18x8.50-8 and 18x9.50-8 tires on 8-inch rims
- Comes in a two-pack for replacements or spares