Cube touring pro city bikethe heart of the touring pro is split into two on the one hand theres its high quality aluminium frame and on the other theres its superb hydraulic disc brake system why did cube choose disc brakes for this versatile tourer simple because they slow you down safely and reliably whatever the weathers doing and thats an important consideration whether youre an everyday rider or an occasional tourer combined with its comfortable ergonomic ride position cub