The do-it-all trail tire An aggressive tread in high-volume casing, designed with great traction in mind. The Ardent doesn't forget the racer with large block-style side knobs offering numerous edges for high-speed cornering. The center tread, while ideal for braking and accelerating traction, also features ramped knobs to minimize rolling resistance. With a wide variety of size offerings, the Ardent captures every mountain rider's needs.