The Kenda TR-6 Heavy-Duty Tire Tube in 350/400-18 is one of the most versatile and widely-used motorcycle inner tubes on the market. The 18-inch rear tire sizing is common across a broad range of street, dual-sport, and off-road motorcycles, and the TR-6's heavy-duty butyl rubber construction provides improved puncture resistance and longer service life compared to standard OEM-spec tubes.
Whether you're replacing a flat on the trail or performing routine tire maintenance, the Kenda TR-6 delivers consistent, reliable performance. Kenda is one of the world's largest tire and tube manufacturers, supplying OEM and aftermarket channels with trusted quality products.
- Size: 350/400-18 — widely compatible with 18" motorcycle rear wheels
- TR-6 heavy-duty butyl rubber for superior durability and air retention
- Enhanced puncture resistance over standard OEM tubes
- Suitable for street, dual-sport, and off-road motorcycle applications
- Standard TR-6 bent metal valve stem configuration