Shimano Ultegra ST-R8150 levers combine the accuracy of Shimano 12-speed Di2 shifting with the light weight of rim brakes. FEATURES: Quick and intuitive shifting Clearly defined click feeling with ergonomic shifting lever Better bike control and confidence in race conditions Hood shape and texture optimize grip and brake power transmission SPECS: Double or Triple: Double Includes Brake: No Brake Lever Actuation: Short Pull Super SLR Drivetrain Speeds: 12 Adjustable Reach: Yes