Shimano ALFINE S7051 Series Dealer's Manual page 39

INSTALLATION
Installation of the dual control lever: Drop handlebar (ST-S705-R / BL-S705-L)
Installation
1
Gently pull the brake lever.
(A)
2
Pass the inner cable through from
directly in front, set the inner cable drum
into the cable hook, and then install the
outer casing from the opposite side.
(B) (C)
39
(A)
Outer casing
(B)
Cable hook
(C)
Inner cable drum
TECH TIPS
The lever stroke can be smoothly adjusted
using the bolt on the top of the bracket body.
Check the lever operation while adjusting.