Shimano rs685 road disc brakeprecision engineered sti levers for hydraulic disc brakes that offer powerful braking and effortless 11 speed shifting featurespolymer coated shift cables are routed under the bar tapevivid indexing provides a constant amount of shift lever force across all 11 sprocketsergonomic short shift arc follows natural hand movementhydraulic brake lever provides powerful controllable and consistent stopping power with less effort especially from the hood positionhydraulic re