Shimano Ultegra R8170 Di2 12 Speed Disc Shifter
Description
The Ultegra R8170 Di2 12 Speed Disc Shifter from Shimano is compatible Shimano Di2 electronic drivetrain systems and Servo Wave hydraulic disc brakes. This shifter system offers exceptional comfort and easy-to-use ergonomics with lighter and smoother brake lever action and exceptional gear shifting accuracy in all weather conditions.
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