Designed specifically for time trial and triathlon, Corsa PRO Speed foregoes the siping and tread of other models for smooth tread and maximum speedAdvanced Graphene and Silica compound specifically designed to provide unparalleled efficiency, speed and grip320 TPI cotton and aramid casing is lightweight, responsive and supple while also retaining durabilityBead shield for additional protection and tire retentionTubeless700x28622TBLS - FoldBk/Tan250320NoUPC/EAN/GTIN: 8022530028851