MAXXIS ARDENT: The Ardent is an excellent all-condition tire that features fast rolling, ramped center knobs, with large block side knobs to provide excellent cornering traction. SINGLE COMPOUND: One rubber compound is used throughout the tread of the tire. EXO: A cut and abrasion-resistant material added to the sidewalls of many of our gravel and MTB tires. Suitable for use in a wide range of riding applications from gravel to XC to light trail duty. QUALITY GUARANTEE: 1-Year Manufacturer's Warranty The Ardent is an excellent all-condition tire that features fast rolling, ramped center knobs, with large block side knobs to provide excellent cornering traction. / Ramped center knobs provide excellent traction for braking and acceleration while also reducing rolling resistance. Large block side knobs provide excellent traction for secure cornering. / Intended use: loose, loose over hard, medium, wet