The DHF incorporates ramped knobs for low rolling resistance and channel-cut knobs to increase gripping edges, giving straight-line control and precise cornering TERRA - 3C Maxx Terra is softer and offers more traction than 3C Maxx Speed, yet provides better treadwear and less rolling resistance than Maxx Grip EXO+ - EXO plus features Maxxis� EXO sidewall protection plus their silk shield bead to bead protection TR - Tubeless Ready - sealant required WT - Wide Track casing optimized for rims over 35mm internal width Tubeless 27.5x2.6 584 TBLS - Fold Belted Bk/Blk 50 120 TERRA/EXO+/TR/WTUPC/EAN/GTIN: 4717784034140