Add shifting capabilities to your Hylex brakes! This kit includes the necessary parts to attach Shimano climbing buttons to your Hylex lever bodies, allowing you to run a Di2 drivetrain in conjunction with Hylex full hydraulic brakes. You’ll need to supply the Hylex brakes and Shimano drivetrain and shifter buttons, but the kit includes everything you need to attach the climbing buttons to your Hylex lever bodies including pre-cut hoods