Staggered center knobs in groups of 1, 2 and 3 paired with angled shoulders and large aggressive corner knobsSFT - Addix Soft compound offers a lower durometer for improved tackiness and grip in gravity applicationsSTRL - Super Trail, 3 carcass layers under the tread with 2 on the sidewalls, bead to bead Snake Skin material and APEX sidewall chafer for increased puncture protection and stabilization.Tubeless29x2.6622TBLS - FoldBk/Brz38112567SFT/STRL/EBIKE25NoUPC/EAN/GTIN: 4026495904490