Factor Ostro Gravel Manual page 9

3-2
Route the rear derailleur Di2 cable through
the chainstay.
3-5
Route the front derailleur Di2 cable through the
seat tube hole to the bottom bracket exit port.
3-2
Install Di2 cable grommet.
3-6
Install Di2 cable grommet.
3-4
Connect to the Di2 Junction B
3-7
Connect to the Di2 Junction B