The specialized ground control 2bliss ready 29er tyre the ground control 2bliss ready 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 ground control 2bliss ready 29er tyre features casing 60 tpi bead foldable butyl wrapped bead 2b