The specialized roubaix tyre is an endurance road tyre for epic rides from smooth country roads to rough field roads the tyre has 25mm casing which smooths your ride and keeps you fresh the 23mm tread handles quick and features a slick centre tread for low rolling resistance and shoulder sipes for increased surface adaption and grip this specialized road tyre is a game changer this specialized roubaix tyre is tubeless meaning whereby a conventional wheel will require an inner tube more an