Originally Posted by
Kontact
You are not going to find a different hanger. Trek doesn't work like that. Neither do aftermarket hanger makers.
You could try a different derailleur. The 11 speed Shimano ones will work. The 105 R7000 works like a SRAM B screw, and has a medium cage version.
You could use a larger cassette.
You could modify your hanger by filing the B stop so the derailleur rotates further forward and up (counter clockwise). If it doesn't work, new hangers are available.
Larger cassette is out of scope, and I would like to avoid further investment in 105.
I already filed a large portion of the hanger (red line in the picture). It improved shifting up to a certain level of chain stretch. I cannot go further, otherwise I will make the hanger fully circular.
Maybe I can find a 15 mm height hanger? It is not Trek, it is an older, inexpensive aluminum bike for trainer. Hanger picture is attached (it can be seen, although it has the same color as the frame).
