Maxxis Ardent Race Tire - 27.5 x 2.35 Tubeless Folding BLK 3C MaxxSpeed EXOMaxxis Ardent Race Tire 27. 5 x 2. 35 Tubeless Folding Black 3C MaxxSpeed EXO. The Ardent Race bridges the gap between XC and trail with a tread that rolls fast and can still handle demanding trail conditions. Ramped center knobs roll fast on hardpacked terrain and provide excellent braking traction Large block side knobs are stepped and siped to provide excellent cornering traction Intended use: loose loose over hard medium wet TECH SPECS Color Black