29-Inch

Specialized's Ground Control GRID is an exceptionally versatile trail tire. CAD engineered knob shapes strengthen knob structure for optimum braking and traction, but keep knob surfaces adaptable for best ground control. The GRIPTON compound helps make this the perfect choice for epic trail rides in any condition. Specialized recommends GRID tires for anyone seeking the utmost in flat and sidewall protection. - Bead: Foldable - Butyl wrapped bead, 2Bliss Ready - Compound: GRIPTON - 29 x 2.1" psi 25-50; approximate weight 710g - 29 x 2.3" psi 25-50; approximate weight 810g

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. - Casing: 60 TPI, tough trail construction with additional bead to bead protection for exceptional puncture resistance, sidewall stiffness and stability. - Bead: Foldable - Butyl wrapped bead = 2Bliss Ready - Compound: GRIPTON T7

The Fast Trak Control 2Bliss Ready T7 has become synonymous with fast and lightweight tires that are able to handle the most technical courses and the most grueling conditions. This model redefines what was thought possible with a cross-country tread design. Our Block-In-Block design uses a taller adaptable inner block to pierce the ground and claw for traction. The larger outer structure supports the inner block for additional speed, traction, support and stable handling. Adding to this, the Fast Trak profile and knob spacing has been optimized for a wide variety of internal rim widths. The Control casing is our light and durable do it all XC construction. To top off this build we use our T7 compound to maximize grip and damping. - Casing: 60 TPI, light and durable do it all XC construction - Bead: Foldable - Butyl wrapped bead = 2Bliss Ready - Compound: GRIPTON T7 - 29 x 2.35", PSI 25-50, approximate weight 715g

The Ground Control Sport uses an extremely versatile tread pattern which can be used from cross country race to trail, it rolls fast with exceptional amounts of confidence and grip. Our Block-In-Block design uses a taller adaptable inner block to pierce the ground and claw for traction. The larger outer structure supports the inner block for additional speed, traction, support and stable handling. - Casing: 60 TPI - Bead: Wire - 29 x 2.35", PSI 25-50, approximate weight 890g