The Specialized Roubaix Pro is an endurance road tire that’s well suited for smooth and rough roads alike. That’s because it’s fast like any competitive road tire, only it features a bead-to-bead Endurant casing, plus patented Specialized BlackBelt technology for puncture protection. This way, it rolls smooth over any terrain. SPECIALIZED GEEK TALK ENDURANT – overlapped, three-layer casing for …