Schwalbe Smart Sam MTB Tyre - RaceGuardThe Schwalbe Smart Sam is an unbeatable all-rounder! It goes well on any terrain and even on the road it rolls effortlessly. The lightweight casing keeps rolling resistance to a minimum and the RaceGuard provides reliable puncture protection and cut resistance Features: Bead: Wired Casing: LiteSkin, RaceGuard Compound: Dual Pressure: 30 to 55psi Weight: 680gTechnologies: Performance Line: Schwalbe Performance Line tyres are excellent quality for intensive use. They are the best value for money tyres in Schwalbe's range. LiteSkin: LiteSkin tyres have thin sidewalls, reducing the overall weight of the tyre and therefore they have a lower rolling resistance. RaceGuard®: This belt was developed specifically with racing in mind. A synthesis of special India rubber and several layers of nylon fabric offer very effective protection against penetration punctures. There is only a minimal increase in the weight and rolling resistance of these tyres. Buy Schwalbe Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.