Shimano Ultegra Hydraulic Disc Brake Caliper - BR-R8070 Type:Front but it is also good

but it is also good for the environment

Sektor Gold (from 2011)

sleeves and bottom increases airflow

For Use With 19 - 20

Shimano Ultegra Hydraulic Disc Brake Caliper - BR-R8070 Type:Front but it is also goodFront Caliper BR R8070 F SHIMANO ULTEGRA Flat Mount Hydraulic Disc Brake Front Caliper With a low profile Flat Mount design, the SHIMANO ULTEGRA R8000 series hydraulic disc brakes provide greater control in all conditions without interrupting the aero lines of road bikes. Features Better control in all conditions Hydraulic disc brake provides the next stage of control Sleek integration into a road bikes aero profile Designed to integrate seamlessly