Originally Posted by
thook
either an old shimano 60 or 600ex will do it and clear the stay. i have tried both in very similar circumstance. the 600ex is currently still in operation on a 39/36/24 half step on one of my gran turismos. the shimano 60 would work except the tail end is a bit too short and the chain rubs when down in the granny. iow's, it can clear the stay, handle the triple shift, but not the amount of drop
Newer old guy here so didn’t want to be laughed at when trying to get my Miyata 1000 from 48-38-28 to 42-34-24. My triple front wouldn’t get low enough for the 24 and looked bad. As you said a 600 from my local co-op did the trick. Might not translate to this situation, but shifted all 3 nicely.