The roubaix tubeless is an endurance road tyre for epic rides from smooth country roads to rough field roads the 23mm tread handles quick the 25mm casing smoothes your ride and keeps you fresh slick centre tread for low rolling resistance shoulder sipes for increased surface adaption and grip this tyre is a game changer casing endurant 180 tpi bead foldable compound 70a flat protection endurant 700 x 2325 psi 90 115