Ramped center knobs form a nearly uninterrupted centerline that decreases rolling resistance while its round tire profile is packed with short, tightly-spaced knobs to provide predictable cornering traction on hardpack terrainLight - Lighter weight compound conforms to trail objects while still providing a happy balance between low rotational weight and reliabilityFR - Fast Rolling, with WTB`s Dual DNA rubber compound that optimizes efficiency, traction and durability, A firm, long-wearing centerline tread with softer side knobsTCS - WTB`s Tubeless Compatible System, sealant based tubeless system with improved bead shape DNA2 - Dual DNA is the perfect mix of efficiency, traction, and durability firm centerline with softer shoulders and sidesTubeless700x40622TBLS - FoldBk/Blk60LIGHT/FR/DNA2NoUPC/EAN/GTIN: 714401109452