NEW Shimano Ultegra ST-R8170/BR-R8170 Di2 Shift/Brake Lever and Hydraulic Disc Caliper - Left/Front, 2x12-Speed, Flat Mount, Black type_handlebar-grips-tape-pads Adhesive Yes Material Polyurethane Weight

Adhesive Yes Material Polyurethane Weight 83

safer and more user friendly option than conventional quick releases

9mm wall thickness

Weight: 404

NEW Shimano Ultegra ST-R8170/BR-R8170 Di2 Shift/Brake Lever and Hydraulic Disc Caliper - Left/Front, 2x12-Speed, Flat Mount, Black type_handlebar-grips-tape-pads Adhesive Yes Material Polyurethane WeightControl the road with the Shimano Ultegra ST R8170 Di2 Shifter W BR R8170 Caliper set, designed for the new 2x12 speed Shimano drivetrain. Wireless connection enhances the aerodynamic effect and easy maintenance Wireless shifting customization via Shimano E Tube Project App High electronic energy efficiency, 1. 5 to 2 years of battery life Unparalleled ergonomics engineering refined with pros' feedback Raised hood peak improves ergonomics Optimized