I am riding fixed on a surly steamroller, when I change direction of force which i am pedaling (as in slowing down, then speeding up), i get a annoying creaking, seemingly from my left side crank. I took everything apart tonight and re greased and tightened my bb cups ( i have an octalink 6600 (ultegra) bb and a dura ace crank), and re-torqued my crank bolts, and the creaking cointinues!
I dont want to buy another BB as this one probably has only several hundred miles on it (maybe 2 years old). I cant think of anything else though, I tightened down my chainring bolts too!
maybe a worn chain? I have a sram superlight something (kinda fancy and about 1 year old).
any other ideas?