Versatile tread pattern featuring tightly-spaced center knobs combined with aggressive side knobs is mated to our Tubeless Complete constructionFrom gravel adventuring to drop-bar dirt mashing, the Connector is capable of tackling any terrainS4 - Silica4, Formulated to maximize rolling efficiency while providing class leading grip in wet conditionsULT - Lighweight casing fabric utilizing smaller thread fabric. This casing uses less rubber-making the tire more supple and faster rolling, with improved tractionTubeless650x50584TBLS - FoldBk/YskS4/ULT/TRNo