ITP Holeshot MXR6 TireMXR6 Front: 19x6 10, 20x6 10 (2 ply); Rear: 18x10 8, 18x10 9 (2 ply) An ideal choice for loose track surfaces, with wider spaced split knobs for better bite and clear out Rear MXR6 uses a new reinforced carcass for 2006; minimizes stretching while maintaining a flat profile, providing consistent feel and performance New carcass allows lower tire pressures, enhancing control as well as ride comfort Front MXR6 features a new, longer wearing treead