The Minion DHR II is a complete redesign. Acceleration, cornering and braking have all been improved The Minion DHR II is a complete redesign. Acceleration, cornering and braking have all been improved TR - Tubeless Ready - sealant required DC - Dual Compound tread provides a lower rolling resistance center paired with extra grip for the corners EXO - sidewall protection which helps prevent puncture from sidewall abrasions