A smooth, fast rolling centerline transitions into small diamond shaped peaks and then more substantial shoulder knobs for traction under loadLight - 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 DNA2 - Dual DNA is the perfect mix of efficiency, traction, and durability firm centerline with softer shoulders and sidesTubeless650Bx47584TBLS - FoldBeltedBk/Blk577120LIGHT/FR/SG2/TCS/DNA2No