This semi-slick tire borrows its tread design from the trail version of the Rekon, but with smaller and shorter knobs DC - Dual Compound tread provides a lower rolling resistance center paired with extra grip for the corners EXO - sidewall protection which helps prevent puncture from sidewall abrasions TR - Tubeless Ready - sealant required Tubeless 29x2.35 622 TBLS - Fold Bk/Blk 65 60 DC/EXO/TRUPC/EAN/GTIN: 4717784034362