An exception wheelset from shimano these dura ace c35 bridge the gap between shallow section rims and full deep section rims giving you quick responsiveness and an aero advantage also with the aluminium braking surface the wheels retain great braking with standard pads in all weathers the 35mm carbon rim profile gives you that aero advantage so maintaiingn speed and helping to slice your way through the air a great all round high end racing or high end all day riding wheelset that deliver