#1 tire choice for Tour Divide, the longest mountain bike race in the world stretching from Canada to Mexico along the Rockies Centerline rolls effortlessly on hard surfaces, numerous micro knobs provide lateral traction and predictability 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 Tubeless 700x40 622 TBLS - Fold Bk/Skn 65 530 60 LIGHT/FR/TCS NoUPC/EAN/GTIN: 714401106925