Legendary center ridge still flies on hardpack, and the updated tread pattern provides better braking and cornering over a wide range of trail conditions Open-side knob design for versatile cornering EXO equipped models feature Maxxis` EXO sidewall protection which help prevent puncture from sidewall abrasions TR - Tubeless Ready - sealant required Tubeless 29x2.25 622 TBLS - Fold Bk/Blk 60 780 60 EXO/TR NoUPC/EAN/GTIN: 4717784031415