Schwalbe Nobby Nic Tire - 27.5 x 2.4, Tubeless, Folding, Black, AddixThe Schwalbe Nobby Nic combines Triple compound and the super fast carcass used by the Racing Ralph providing divine grip and speed for the trails. Uses an extremely elastic tread base for very low rolling resistance, and a stable center and extra shoulder grip for performance and cornering Utilizes the super fast carcass of the Racing Ralph Product Specifics Color: Black Defined Color: Black ISO Diameter: 584 650b 27. 5" ISO Width (mm): 61 Labeled