The DHF incorporates ramped knobs for low rolling resistance and channel-cut knobs to increase gripping edges, giving straight-line control and precise cornering EXO - sidewall protection which helps prevent puncture from sidewall abrasions TR - Tubeless Ready - sealant required WT - Wide Track casing optimized for rims over 35mm internal width 3CG - 3C Maxx Grip offers the ultimate in grip and slow rebound properties for unparalleled traction in downhill applications Tubeless 29x2.5 622 TBLS - Fold Bk/Blk 65 60 3CG/EXO/TR/WT NoUPC/EAN/GTIN: 4717784034454