Flash pro pads to fit shimano dura ace ultegra105sramtrp ghp ii black pads and holders 1 set ie 2 blocks 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 power black suitable for less aggressive riding very good in dry wet conditions specifically recommended for rims made of softer alloy ghp ii high performance comp