evo.com | Specialized Tires > The Specialized Hillbilly Grid Gravity 2Bliss Ready T9 Tire likes to get rough and rowdy in wet weather. The new Hillbilly is designed to find traction in slippery spots like the rainy PNW and beyond. Thanks to its grippy T9 compound and large block-in-block shoulder knobs, it digs into the ground and keeps you rolling through naturally tricky and slick dirt. Take on rock rolls after rain and conquer lose roots. The Hillbilly Grid Gravity 2Bliss Ready T9 Tire can wrangle it all. Spike Center Knobs to Dig in And Find Traction Over Loose Terrain GRID Gravity 2-Ply Casing Construction Is Ideal for Enduro, Park, and Downhill Riding Butyl Wrapped Bead = 2Bliss Ready GRIPTON(R) T9 Compound The High-damping GRIPTON(R) T9 compound reduces terrain-induced chatter, rebounds slowly, and has extreme grip in all conditions Large Block-In-Block Shoulder Knobs for Supported Cornering | Specialized Hillbilly Grid Gravity 2Bliss Ready T9 Tire 27.5 2025 - 27.5x2.4 in Black