This is the Crown Gem made with the Multiple Purpose Compound from Vee Tire. Sized at 27.5 x 2.8, this is a plus size tire that is ideal for mountain and trail riding because of tall knobs and an aggressive center knob pattern for serious traction. The MPC Compound is designed for all terrains and sustains durability at a hardness of 56A. Weight is 980 grams. Tubeless Ready. Folding Bead. Part Number B37891 UPC 848712068761