Ramped dual-block center tread paired with wide corner knobs designed for aggressive gravity riding 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 - 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 Tubeless 27.5x2.6 584 TBLS - Fold Bk/Blk 55 925 120 TERRA/EXO/TR/WT NoUPC/EAN/GTIN: 4717784033112