Game changer barrier breaker the zipp super 9 carbon clincher disc is the fastest wheel ever with the performance and convenience of zipps carbon clincher technology when it comes to disc wheels zipp are obsessed with aero excellence after all zipps first product was a disc our quarter century long quest for the knowledge of speed allowed us to create the super 9 carbon clincher zipp have validated their findings in the wind tunnel and refined them further in the virtual wind tunnel