ROCKET RON TIRE: Good rolling properties and extremely quiet ADDIX SPEEDGRIP: the universal compound. It definitely has the widest range of use. Perfect for XC, AM and Trail SUPER GROUND CONSTRUCTION: Our proven SnakeSkin construction has been further improved - a light and flexible fabric layer makes the tire cut-proof, both on the tire sidewalls and under the tread. Low weight with good puncture protection. Wide range of applications - from XC to All Mountain WARRANTY: policy on all Schwalbe product purchased within North America. Our warranty term is 3 years following the original purchase date of the product, or 5 years from its production date - whichever occurs first.