Fast rolling directional tread with widely spaced, ramped knobs that reduce rolling resistance while providing optimal grip on hard packPerformace line features a triple layered 55 TPI casing with a highly durable, high density fiber layer under the tread to resist puncturesTubeless26x2.1559TBLS - FoldBk/Blk55x3NoUPC/EAN/GTIN: 086699421708