Panaracer Fire XC Pro 26 x 2.1 Blk/Red Kevlar Bead Tire Fire XC Pro Series A mix of 2, 3, and 5mm center knobs, tall cornering knobs, color stripe on sidewall made of Silica compound for added durability Aggressive, all-around tire Multi Step Knobs perform well in all conditions without loosing performance or adding rolling resistance ASB Anti Snake Bite Chafer is aPanaracer Fire XC Pro 26 x 2.1 Blk/Red Kevlar Bead Tire Fire XC Pro Series A mix of 2, 3, and 5mm center knobs, tall cornering knobs, color stripe on sidewall made of Silica compound for added durability Aggressive, all-around tire Multi Step Knobs perform well in all conditions.....read more »

Panaracer Fire XC Pro 26 x 2.1 Blk/Red Kevlar Bead Tire Fire XC Pro Series A mix of 2, 3, and 5mm center knobs, tall cornering knobs, color stripe on sidewall made of Silica compound for added durability Aggressive, all-around tire Multi Step Knobs perform well in all conditions without loosing performance or adding rolling resistance ASB Anti Snake Bite Chafer is aPanaracer Fire XC Pro 26 x 2.1 Blk/Red Kevlar Bead Tire Fire XC Pro Series A mix of 2, 3, and 5mm center knobs, tall cornering knobs, color stripe on sidewall made of Silica compound for added durability Aggressive, all-around tire Multi Step Knobs perform well in all conditions without loosing performance or adding rolling resistance ASB Anti Snake Bite Chafer is aPanaracer Fire XC Pro 26 x 2.1 Blk/Red Kevlar Bead Tire Fire XC Pro Series A mix of 2, 3, and 5mm center knobs, tall cornering knobs, color stripe on sidewall made of Silica compound for added durability Aggressive, all-around tire Multi Step Knobs perform well in all conditions without loosing performance or adding rolling resistance ASB Anti Snake Bite Chafer is a proprietary anti-rebound rubber strip that reduces the chance of pinch flats by an average of 40% BAX Advanced Extra Cord uses extremely narrow .14mm diameter cord which is woven at a super high density into the casing for lightness and flexibility and improves resistance to cuts and abrasions Silica Compound; adding silica to tire treads improves tire life, durability and grip« less