The legendary ksyrium pro smartly adapted to road disc for the most epic rides when disc brake technology started to appear on road wheels it was natural for us to develop a compatible wheel based on our iconic ksyrium pro sl but disc brakes also throw up a unique set of challenges so it was a huge benefit to fall back on our experience designing mountain bike disc wheels the end result is this do it all wheel that excels on most rides flat or hilly training or racing brilliant brake t