IRC Tanken 27.5" (650b) Tire. Features: Enduro, All Mountain tire to handle all situations Big knobby block tread provides traction in soft dirt and mud so you don't have to worry about terrain Aggressive side blocks hook up when cornering and dare you to push harder Alternating rows of vertical and horizontal blocks gives lateral traction on off-camber surfaces Low-rebound high-grip compound, 60 tpi tubeless ready casing TR: tubeless ready Specs: Model:27.5" (650b) TR Width:2.6" Compound:single Bead:folding Casing:60tpi Color:black Weight:1000g