Shimano Dura-Ace ST-R9170 Di2 2x11-Speed Left Shift/Brake Lever Model=FLOAT DPS Factory Rear Shock Up to 50% more clamping

Up to 50% more clamping force than standard quick releases

Double or Triple Double Front Der/Shifter Compatibility Shimano Road Rear Der/Shifter Compatibility Shimano Road Shifter Style Trigger Drivetrain Speeds 11 Weight 272

}Wheels Manufacturing Universal Derailleur Hanger - 404-6 For Frames designed to accept SRAM UDH Black/Blue

(mm) 38 Material Aluminum Spring Weight 300

}Wheels Manufacturing 5/16" x 9 Bearing Retainer: Bag of 10

Shimano Dura-Ace ST-R9170 Di2 2x11-Speed Left Shift/Brake Lever Model=FLOAT DPS Factory Rear Shock Up to 50% more clampingShimano Dura Ace ST R9170 Di2 2x11 Speed Left Shift Brake Lever. ST R9170 Dura Ace Di2 Shift Brake LeverShimano Di2 compatible hydraulic brake levers An updated button feel and layout ensure precise shifting while enhanced ergonomics guarantee comfort allowing you to concentrate on the effort at hand Ergonomic brake and shift lever position with Shimanos Reach Adjust technology to suit any hand size or rider preference TECH SPECS Rotor Included No