Nuetech Tubliss Gen 2.0 (Tubeless) Tire System 18'' High-pressure tube acts as a bumper to protect rim from impact. Inner tube support sidewall better for less folding over Tubliss locks the tire bead 360 around the rim to act as a full circumference rim lock. Saves up to one pound of weight over stock tubed design Less unsprung weight in tires can help handling and acceleration. Entirely eliminates pinch flats Integrated rim lock near inner chamber valve. Repair tire with a simple plug kit Tubliss allows you to run a wider range of pressures. Tire temperature is greatly reduced, creating consistent pressures. For off-road use only