Tread design optimized for speed - low profile knobs reduce rolling resistance, while still providing plenty of knob edges for braking and cornering grip New single ply compound developed around the challenges of dirt road riding for maximum speed and tread life GCT construction the Gravel Casing Technology built into the tire provides protection against tread punctures along with increased resistance to sidewall slashes and abrasions. GCT also optimizes the casing for easier tubeless conversion and improved air retention Tubeless ready single ply 120 tpi casing