A smooth, fast rolling centerline transitions into small diamond shaped peaks and then more substantial shoulder knobs for traction under load Light - Lighter weight compound conforms to trail objects while still providing a happy balance between low rotational weight and reliability FR - Fast Rolling, with WTB`s Dual DNA rubber compound that optimizes efficiency, traction and durability, A firm, long-wearing centerline tread with softer side knobs SG2 - Defends all surfaces of a tire by providing an uninterrupted layer of puncture protection from bead to bead TCS - 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 sides