An aggressive tread in high- volume casings distinguishes the newest addition to Maxxis' downhill and mountain disciplines. Designed with great traction in mind, the Ardent doesn't forget the racer. Large block-style side knobs offer numerous edges for high- speed corners. Center tread, while designed for braking and accelerating traction, also features ramped knobs to minimize rolling resistance. Designed for traction. High volume casing. 60 tpi.