I have a surly troll that creaks something fierce when pedaling. Here's what I've done so far, but I'm kind of at the end of my knowldge. Any advice helping me track this down is appreciated.
1. Pedal clipped in vs not clipped in. Noise wasn't as bad when not clipped in so I oiled the retention spring. Noise less bad, but still bad.
2. Try pedaling while standing (see if its the seatpost) - noise present both sitting and standing. I assume this means not seat/seatpost
3. Try holding stem rather than bars (see if at headset). This was inconclusive. I haven't been able to do this successfully for any period of time due to my environment.
I think the usual suspects are pedal retention springs and seatposts. I am looking at the bars and trying to tighten up the headset also, but they are snug with no play. What else should I do to try and locate the creaking noise? I cannot duplicate it on the bike stand.