The Minion DHR II is a complete redesign. Acceleration, cornering and braking have all been improved DC - Dual Compound tread provides a lower rolling resistance center paired with extra grip for the corners EXO equipped models feature Maxxis` EXO sidewall protection which helps prevent puncture from sidewall abrasions TR - Tubeless Ready - sealant required Tubeless 27.5x2.3 584 TBLS - Fold Bk/Blk 65 60 DC/EXO/TR NoUPC/EAN/GTIN: 4717784030609