650bx3.0" 6Fattie Ground Control tires feature a perfectly sized contact patch for life-changing levels of traction and control while cornering, all without sacrificing climbing efficiency or descending prowess. 

The Ground Control GRID is an exceptionally versatile trail tire. CAD engineered knob shapes strengthen knob structure for optimum braking and traction, but keeps knob surfaces adaptable for best ground control. 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. 

Casing: Additional sidewall protection for exceptional durability, plus sidewall stiffness for enhanced stability. Also 23% improved cut-resistance over Control model.
Bead: Foldable
Butyl wrapped bead = 2Bliss Ready
Compound: GRIPTON