Originally Posted by
bogydave
Also
Check drive train alignment, bent crank/cog
Put it in a stand & watch for wobble, excessive side stress.
Front / rear derailleur damaged, bent ......?
Riding conditions excessively dirty ? Chain well lubed , clean , maintained ?
The drivetrain is in perfect condition. Nothing is bent or misaligned. The chain as I mentioned was 3 weeks old and with only 150-200 miles. Nothing out of the ordinary.