The Bontrager XR2 Comp Mountain Bike Tyre is a versatile, fast rolling tyre that excels in loose-over-hard pack terrain. Legendary tyre designer Frank Stacy provides another race-proven mountain bike tyre design in the XR2. The value-minded & super-versatile XR2 Comp offers outstanding quickness & cornering stability on hard-packed or loamy cross-country courses. This is a good general purpose mountain bike tyre for use on a variety of terrain. Features· A versatile trail tyre that excels in loose-over-hardpack & firm conditions· Fast rolling with consistent, predictable traction for a variety of trail conditions