The Aspen is a lightweight XC tire that is designed to roll fast and still provide enough traction to keep you going when the trail gets rough. FEATURES: Low profile tread design rolls fast and still delivers grip for climbing and braking Aggressive side lugs dig into soft terrain to provide additional cornering traction Intended use: hardpack, loose over hard, medium EXO casing provides protection on sidewalls for extreme cut and abrasion resistance while remaining lightweight and highly flexible Dual compound rubber offers low rolling resistance and increased cornering traction SPECS: ISO Width (mm): 57 ISO Diameter: 622 / Road / 29" Flat Protection: Sidewall Tire Intended Use: Mountain Tire Type: Tubeless Ready Clincher TPI: 120 Weight: 657 Tire Bead: Folding Tire Diameter: 29"