Shimano Ultegra R8050 Series Dealer's Manual page 97

INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM
Adding Shimano genuine mineral oil and bleeding air
16
Make adjustments, such as changing the angle of the handlebar, so that the side of the
bracket indicated in the illustration is parallel to the ground, and slowly apply and release
the lever until no more air bubbles are emitted.
17
To be continued on next page
Tighten the bleed nipple.
(A)
97
(A)
Bleed nipple
Tightening torque
4 - 7 N·m