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Old 08-02-20, 11:32 AM
Join Date: Jun 2010
Location: NW,Oregon Coast
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No experience with that specific one ..

I have found all the tooth redesigns that are the fast shifting hyperglide ... used almost universally now
tend to catch the chain and it shifts on you too easily when you wish it were to stay put ...
shift points dead center .. the pulley aligned under under the cog consistently.. you say they are..

Maybe new chain and cassette ? 2 X the power may wear things quicker..

Blind guesses will continue..

put it up on a repair stand and try some of the things you mentioned..


Last edited by fietsbob; 08-02-20 at 11:36 AM.
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