A high-volume, low-profile tread design offers minimal rolling resistance and consistent traction across the profile of the tireContinuous side knobs keep you planted where traction is critical, and the single compound balances traction and tread wearEconomical wire bead version with similar performance in a more affordable, all-around compound and constructionEXO equipped models feature Maxxis` EXO sidewall protection which helps prevent puncture from sidewall abrasionsStandard29x2.1622WireBk/Blk6569660EXONoUPC/EAN/GTIN: 4717784039145