Maxxis Ardent 29x2.40 Folding Dual EXO TR Skinwall 60TPI Black/Beige 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 Dual compound rubber offers low rolling resistance and increased cornering traction EXO casing provides protection on sidewalls for extreme cut and abrasion resistance while remaining lightweight and highly flexible