The Roubaix is an Endurance Road tire suitable for epic rides from smooth country roads to rough field roads. The Roubaix is fast like any competitive road tire, but features unique casing technologies for added comfort and puncture protection. The 25mm casing smooths your ride and keeps you fresh. The 23mm tread handles quick, featuring a slick center tread for low rolling resistance and shoulder sipes for increased surface adaption and grip. This tire is a game changer.