The Maxxis Aspen Is One Of Our Premier Xc Race Tires. A Low Center Tread Height Allows The Aspen To Roll Quickly But Substantial. For Xc – Side Knobs Provide Cornering Traction.Features:- Dual Compound- Lightweight 120 Tpi Casing- Exo Sidewall Protection- Wide Trail (Wt) Sizes Optimized For 30mm Inner Width Rims- Select Specs Are Tubeless Ready (Tr), Confirm In Table BelowSpecifications:- Size: 29x2.40- Etrto: 61-622- Tpi: 120- Bead: Fold able- Weight (G): 770