Shimano Ultegra R8050 Series Dealer's Manual page 146

ADJUSTMENT
Adjustment of lever stroke
ST-R8060
Adjust the position of the lever body using the reach adjustment bolt.
(A)
ST-R8070
Adjust the position of the lever body using the reach adjustment bolt.
(A)
(y)
(z)
(B)
(z)
(B)
(y)
(z)
(y)
(y)
(z)
146
(y)
Counterclockwise:
Increases the lever stroke
(z)
Clockwise:
Decreases the lever stroke
(A)
Reach adjustment bolt
(B)
2 mm hexagon wrench
NOTE
Make sure that braking operates properly
after the adjustment.
(y)
Counterclockwise:
Decreases the lever stroke
(z)
Clockwise:
Increases the lever stroke
(A)
2 mm hexagon wrench
(B)
Reach adjustment bolt
NOTE
Make sure that braking operates properly
after the adjustment.