The Butcher GRID GRAVITY 2 Bliss Ready T9 is the perfect choice for trail & gravity riders. Ramped & siped center tread blocks provide strong traction & accurate steering while the shoulder knobs offer a continuous biting edge for railing through fast corners. The GRID GRAVITY casing compliments gravity riding with an all-new 2-ply construction for cornering stability & flat protection. Building on this solid base the high-dampening T9 GRIPTON compound rebounds slowly to grip & stick to the ground for total traction & control. Casing: 60 TPI Dual-Ply. Bead: Foldable. Butyl wrapped bead = 2 Bliss Ready. Compound: GRIPTON T9. 29x 2.3 psi 25-50 approximate weight 1290g. 29x 2.6 psi 20-40 approximate weight 1315g.