Maxxis Minion FBR Dual Compound EXO Tubeless Ready Folding Bead Fat Bike Tire Rear specific tire with large lateral, paddle like knobs that keep you pushing forward 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 help prevent puncture from sidewall abrasions TR - Tubeless Ready - sealant required Model Number