Maxxis Minion DHF 29x2.3 3C/EXO Tubeless Ready Wide Track Black Tire Tubeless ready casing (TR) is compatible with tubes or tubeless with sealant EXO equipped models feature Maxxis` EXO sidewall protection which help prevent puncture from sidewall abrasions WT - Wide Track casing optimized for rims over 35mm internal width 925g