The Rambler combines a high volume casing and an efficient tread pattern that rolls fast while delivering plenty of control Tightly packed center knobs are ramped for rolling efficiency Widely spaced shoulder lugs provide traction in the corners and shed mud quickly Intended use: hard pack, loose over hard 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 Intended Use: Gravel, Mountain Tire Diameter: 27.5" ISO Diameter: 584 / 650b / 27.5" ISO Width: choose; 38mm, or 47mm Tire Bead: Folding Tire Type: Tubeless Ready Clincher TPI: 120 Flat Protection: Sidewall Weight: 430g. (650x38c); 515g. (650x47b) Color: Black