Originally Posted by
AeroGut
Just to be sure-if you loosen the limit screw as much as possible and move the derailleur by hand (or by pulling the cable with your hand rather than the shift lever) it still won’t go far enough?
I’m a bit surprised, as plenty of older MTBs have 28/38/48 triples, and usually on BB spindles linger than 113, so a Deore triple derailleur should work fine.
Yeah, initially when I noticed the problem I loosened the limit screws all the way and manually tested the throw by hand. I thought I was doing something wrong, but my LBS mechanic confirmed it. I also thought I must be doing something wrong because 113mm is definitely on the small side for triples. It's been a pain to diagnose what's wrong.
Originally Posted by
dsbrantjr
Also, ensure that the derailleur cage is not bent and is properly parallel with the chain rings; any yaw will reduce the chain clearance.
I gave this a quick check before, but just gave it a more thorough look. No signs of bending. The cage is nice and straight.
I was getting desperate and thinking of throwing the BB from my road double in to see if it would work (against what Shimano recommends) but it's octalink v1 not v2. Don't have anything shorter to test with.
I'm on the fence about how to deal with it. If it's just a shorter BB (not sure how it could be) or a new FD, not a big deal, but I've learned that throwing money at old parts to keep them going eventually starts becoming more expensive than a new crankset/BB/FD. As I said I'm probably going to want to swap my chainrings eventually to to have a smaller granny.