The do-it-all trail tyreAn aggressive tread in high-volume casing, designed with great traction in mind. The MAXXIS 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 MAXXIS ARDENT captures every mountain rider's needs.EXO Protection:An extremely cut-resistant and abrasion-resistant material added to the sidewalls of select mountain tires. This densely woven fabric is also lightweight and highly flexible, ensuring that the performance of the tire remains unaffected. Choose EXO Protection for exceptionally rocky, treacherous trails where the chance of sidewall cuts and abrasions is high.Tubless Ready:Tubeless tires provide the rider with many benefits: the ability to run lower air pressures, which improves traction; lower rolling resistance when compared to a tube-type tire; and less chance of flatting since there is no tube.