Impressive traction and stability for its minimal weight and size, especially in loose soil Impressive traction and stability for its minimal weight and size, especially in loose soil 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 TCS - WTB`s Tubeless Compatible System, sealant based tubeless system with improved bead shape