Originally Posted by
DirePenguin
I'm having problems dialing in the FD trim function on my 105 equipped Domane ALR 5.
When the cable is looser with some slack, it will trim the big chainring, but not the small.
When I tighten the cable with the barrel adjuster and take out the slack, it will trim the small ring but not the big.
What do I need to do to get the trim to work on both chainrings?
Here are the dealer instructions for the Shimano FD-5700 front derailleur. If you follow all the steps completely, you should have a properly adjusted derailleur.
Shimano FD-5700 Instructions