Well spaced paddle like knobs in the center and large siped corner power through any terrainEXO equipped models feature Maxxis` EXO sidewall protection which help prevent puncture from sidewall abrasionsTR - Tubeless Ready - sealant requiredTERRA - 3C Maxx Terra is softer and offers more traction than 3C Maxx Speed, yet provides better treadwear and less rolling resistance than Maxx GripTubeless29x2.6622TBLS - FoldBk/Blk50120EXO/TR/TERRANoUPC/EAN/GTIN: 4717784045528