Maxxis Pace Dual Compound EXO Tubeless Ready Folding Bead Knobby Mountain Bicycle Tire A high-volume, low-profile tread design offers minimal rolling resistance and consistent traction across the profile of the tire Continuous side knobs keep you planted where traction is critical, and the single compound balances traction and tread wear 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