Schwalbe Road Cruiser K-Guard TyreThis revised version of the Road Cruiser tyre uses renewable Green Compound in its design, and features K-Guard protection for remarkable puncture resistance. Its hardy wire beading and twin casing makes it the ideal tyre for those looking to take their wheels touring.Features: Bead: Wired Casing: Twin Compound: Green Compound Pressure: 55 to 85 psi (700x40c Black Reflex: 50 to 85 psi) Weight: 625-705g Technologies: K-Guard: This Guard has been proven for many years. It consists of natural rubber and is reinforced with Kevlar fibres. Together with the 50 EPI carcass all Active Line tires are well protected against punctures. KEVLAR is a trademark of DuPont.Buy Schwalbe Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.