The shimano rs685 mechanical sti hydraulic shifters with calipers are precision engineered sti levers for hydraulic disc brakes which offer powerful braking and effortless 11 speed shifting with ergonomic short shift arc which follows natural hand movement they feature a polymer coated shift cable which can be routed under the bar tape vivid indexing provides a constant amount of shift lever force across all 11 sprockets the levers are ergonomically designed with a short shift arc which follo