Originally Posted by
Kontact
And the spacing difference between narrower Praxis and the Shimano crank the shifter was designed for meant that setting the stops properly caused the low trim to do nothing.
I also have this problem on my old Cannondale Synapse, which has FSA rings on Cannondale SI spider and cranks with a BB30A bottom bracket. Shifting improved slightly with 105 rings but L-trim still does nothing.