Squeaking noise from drivetrain - Small chainring only


My bike has developed an annoying squeaking noise. Bike is silent until I put it in the small chainring, then the squeaking happens. It happens constantly throughout the pedal stroke.

Chain is pretty much new and well lubed with FinishLine wetlube, I dropped some drylube into the center of the jockeywheels as well. It doesn't happen when I'm not pedalling, so can't be the wheel bearings I guess.

I also took the rear derailleur off and greased the thread that mounts it on the hanger and the whole area where it interfaces with the hanger.

Any ideas, as it's getting bloody annoying!






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