. The dynamic Marathon GT with extra comfort is for everyone who wants to be mobile every day without having to worry about flat tyres. The exclusive tread design hides the newly developed Dual Guard, which protects against cuts and punctures in the same reliable way
Features: Bead: Wire Compound: Endurance Casing: Dual Guard Pressure: 35-70psi Weight: 1100g Technologies: Dual Guard: This new puncture protection technology from Schwalbe combines two protection layer principles (special India rubber + nylon fabric) under the tread 2 layers of nylon carcass & 2.5mm of flexible, special India rubber Buy Schwalbe Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.