Originally Posted by
jolly_codger
No, I want to replace the current 130mm bcd shimano 105 with a compact crankset with 110mm bcd. Yes, I am wanting to get lower gearing because it is hilly here and I am old. I don’t want to go with a large cassette.
I would think that finding a double (or triple) 110 bcd square taper crank that will work with your current axle should be doable. You could buy new or used. You could also try a 110/74 bcd triple crank and if you were lucky, there would be sufficient clearance for a granny ring.