Flash Pro Full pads fit Shimano Dura Ace/ Ultegra/105/Sram/TRP.Supplied as on pair including pads and holders.Swissstop offers the best braking performance in all conditions for all types of bike. Four different compounds are available for optimised braking control choose the compound that suits your application. Compounds Black Prince - Latest carbon rim compound  provides superior power control and modulation. Braking distances are significantly reduced in all conditions. Compatible with carbon rims only. Why SwissStop? Top performance on dry rims and even better performance on wet Complete absence of abrasive materials which damage rims Consistent braking -20C to +40C Silent operation Please ensure the compound meets the compatibility and warranty requirements of your wheels.