Well spaced paddle like knobs in the center and large siped corner power through any terrain EXO equipped models feature Maxxis` EXO sidewall protection which help prevent puncture from sidewall abrasions TR - Tubeless Ready - sealant required DC - Dual Compound tread provides a lower rolling resistance center paired with extra grip for the corners 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 Tubeless 27.5x2.8 584 TBLS - Fold Bk/Blk 35 780 120 EXO/TR/TERRA NoUPC/EAN/GTIN: 4717784031286