MAX REAVER 700x45 BLACK FOLD/120 EXO/TRGravel tire with tightly spaced, diamond shaped knobs, small horizontal center paddles and larger, more pronounced should knobs Excels on dirt and gravel roads but is equally at home on pavement EXO equipped models feature Maxxis` EXO sidewall protection which help prevent puncture from sidewall abrasions TR Tubeless Ready sealant required