Trouble shooting

[sjbraun]

Running a Potenza 11 speed groupset on my Hampsten. The groupset has only 700 miles on it. Lately, my drive train gets noisey, but only in one gear. I'm pretty sure I'm not dealing with a worn cog or chain. Any thoughts?

[Hilltopperny]

Check the lock ring to see if it is still tight enough. It may have loosened up. I would also check the derailleur hanger alignment if that isn't it.

[AngryScientist]

my bet is that the cables have now stretched and housings bedded in place, just enough to require a turn of the barrel adjuster to get things back in perfect alignment.,

[zmudshark]

Make sure the hub isn't loose. I had the same symptoms on a 10s drivetrain.