This is the Bontrager 2013 29-2 29er Clincher Tyre. Legendary tire designer, Frank Stacy, provides another race proven tire design for loose over hardpack trails with a lightweight construction, improved cornering traction and impressively low rolling resistance. Cross-country tire for loose over hardpack and/or loamy trail conditions. Fast rolling, with open shoulders for confident cornering. Self-cleaning pattern adds versatility. Proprietary compound gives great traction with light weight. Covered by their Unconditional Bontrager Guarantee.