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Old 11-16-2010, 01:26 AM   #11
Beastly Adventurer
Joined: Nov 2006
Location: On a RTW ride - currently SE Asia on the way to OZ
Oddometer: 5,426

It is located too low on the frame, so it comes into contact with the chain when the suspension is compressed and you accelerate. Having the correct chain tension will not prevent this problem.

Nobody has ever reported any negative effects from having the upper roller removed, while plenty of people now have holes in their frame for being ignorant of this issue.

Put a small set screw or a big blob of silicone in it's place instead. Don't use a bolt with a big head that will stick out and catch the chain.
Currently going RTW on a KTM 690 Rally, trip blog:

LukasM is offline   Reply With Quote