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 minimise rolling resistance. With a wide variety of size offerings, the Ardent captures every mountain rider's needs.Aggressive tread pattern,High-volume.Specification:Conditions: Loose over Hard, Loose, Medium, Wet,Cornering Control: 1 2 3 4,Rolling Efficiency: 1 2 3 4,TPI: 60,Bead: Foldable,Ply Construction: Single,Compound: Single,Max PSI: 60,Tech: SilkShield, eBike.TechnologySilkshield: SilkShield offers protection from bead to bead whereas Silkworm is found under the tread only. SilkShield provides an additional level of protection for sidewalls in addition to under the tread.eBike: Conforms to the European ECE-R75 certification for e-Bikes