Shimano BR-RS785 Ultegra Hydraulic disc Brake Caliper Specification and Compatibility

Shimano BR-RS785 Hydraulic Disc Brake Caliper Ultegra grade has been released in 2014 to replace the BR-R785.

The main difference is that the new caliper has no hose angle adjustment option.  

BR-RS685 disc caliper Specifications:
Weight is 286g per unit
Mounted with Shimano Resin Pads (It is highly recommended to install Metal pads for best braking experience, here you can find the Shimano J04C Metal Disc Brake Pads Shimano Ref #Y8LW98030)
Compatible with 160mm/140mm disc rotor diameter
Mineral Oil type
Post Mount type
2 Piston type
Hoses are not included with caliper (it is included with brake levers)
Shimano TL-BT03 Disc Brake Bleed Tool 3rd generation is required to set up hydraulic disc brakes (not included)
Compatible with Shimano BH59 Disc Brake Hose (not included)

Compatible with all Shimano Mineral Oil brake lever.
This disc brake caliper is aimed to Shimano Ultegra On-Road Disc Brake use.

This caliper will work with Shimano Dura-Ace ST-R785 and ST-BR685