Shimano Dura-Ace Di2 R9270 Hydraulic Disc Brake/Shift Lever Kit Description:

The Shimano Dura-Ace Di2 ST-R9270 Hydraulic Disc Brake/Shift Lever Kit takes disc brake technology to the next level. Utilizing Servo Wave Action to provide outstanding modulation and control. With wireless 12-speed Di2 shifting, these levers push the envelope of bicycle technology. Includes the BR-R9270 caliper with increased pad clearance for quieter brakes and finned pads for enhanced cooling to reduce brake fade.