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 knobsSG2 - Defends all surfaces of a tire by providing an uninterrupted layer of puncture protection from bead to beadTCS - WTB`s Tubeless Compatible System, sealant based tubeless system with improved bead shape Tubeless700x36622TBLS - FoldBk/Blk120LIGHT/FR/SG2/TCSNoUPC/EAN/GTIN: 714401109407