An aggressive yet well rounded downhill and gravity tire with well spaced, partially hollow and siped tall knobs for extreme grip ENDTC � Enduro specific Dual Tread Compound that features a lower rolling resistance value than previous dual tread compounds, while also being longer wearing ATC - Optimized for enduro and trail riding, the Advanced Trail Casing (ATC) uses a layer of SCT on the sidewalls and a K-Armor belt under the tread area Tubeless 26x2.4 559 TBLS - Fold Bk/Blk 50 120 ENDTC/ATC NoUPC/EAN/GTIN: 047853647747