This Hillbilly MTB tire is gravity-focused and excels in steep, slippery, loose, and wet conditions in the continental north. Designed specifically to find traction in shifty natural terrain, it brings confidence and control to unpredictable wild riding. The new tread pattern features an aggressive design with deep center knobs and high-volume shoulder blocks that bite through loose soil when cornering. Block-in-block transition knobs reinforce the tire structure and enhance traction when railing through deep loam, gripping rock slabs, or charging over slippery roots. Specialized's exclusive T9 grip compound elevates the Hillbilly's traction, enabling it to stick everywhere, even in the greasiest conditions. The T9 compound is formulated to bring just the right amount of damping to reduce tire bounce and deflection, enhancing stability and control in challenging conditions. This tubeless-ready trail tire is available in either GRID Trail or GRID Gravity casing, covering trail, all-mountain, enduro, and downhill applications. GRID Trail's bead-to-bead protection and stability make it an excellent choice for aggressive riding in rough conditions. GRID Gravity is a burly, two-ply construction designed for durability and puncture protection in extreme conditions, offering incredible strength and exceptional tire stability when loaded hard into corners and compressed into jump faces. The Hillbilly is a TLR ready clincher for easy mounting and inflation with or without tubes-just add sealant.