The problem with the Wheeltop not shifting at FD for large chain ring is mechanical; we thought it was apps

Wheels of Happiness

While the mechanic was able to fix the large cog not shifting, the shifting to the large chainring ensued.   However the signal then was weak and then decided that we defer the fixing of the problem.

However when we went to the apps, it said, the large guide must be 0.10 mm inside distance to the chain.  However the adjusting limit screw was to its limit.

Can increasing the length of the limit screw be the solution?  Let us see