Ribble’s Gran Fondo endurance bike gets disc brake option Mar 21, 2017 New Gran Fondo Disc has tweaked geometry as well as hydraulic disc brake optionsRibble has overhauled its Gran Fondo endurance-focussed carbon road bike, adding disc brakes and tweaking the geometry. Tags: Product News Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus