Tackle the most demanding off-road terrain without fear of a flat with the Kenda TR-6 Tuff Tube in 80/100-21. This extra-heavy-duty inner tube is constructed with a significantly thicker butyl rubber wall than standard TR-4 or TR-6 tubes, making it the preferred choice for enduro racing, extreme off-road riding, and motocross front wheel applications.
The 21-inch sizing is the universal standard for front dirt bike wheels across virtually every make and model. The Tuff Tube designation means this tube is engineered to withstand the rocks, roots, and violent rim impacts that would split a thinner tube — if you're serious about minimizing flats on technical terrain, this is the tube to run.
- Size: 80/100-21 — universal front dirt bike sizing
- Tuff Tube extra-heavy-duty construction — thicker than standard TR-4 and TR-6
- Superior resistance to pinch flats, punctures, and trail impacts
- Preferred for enduro, hard enduro, extreme off-road, and motocross
- TR-6 bent valve stem for easy inflation and tire pressure checks