The Butcher GRID TRAIL 2Bliss Ready T7 features a World-Cup proven aggressive tread design to bite and grip in any condition. Ramped and siped the center tread blocks provide maximum traction and accurate steering. The sawtooth faced shoulder knobs offer a continuous biting edge for railing through corners. Our GRID TRAIL casing is a step up from GRID with more reinforcement delivering better handling at lower pressures'all while increasing pinch flat protection by 15% and puncture protection by 30%. Building on this solid base the T7 GRIPTON® compound enhances rolling speed while still providing tons of grip. Specialized Butcher GRID TRAIL 2Bliss Ready T7 Bicycle Tire in Black