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Conference noted::bicycle

Title: Bicycling
Notice:Bicycling for Fun
Moderator:JAMIN::WASSER
Created:Mon Apr 14 1986
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:3214
Total number of notes:31946

3207.0. "Mtn Bike - Chain is gouging freewheel" by ZEKE::BURTON (Jim Burton, DTN 381-6470) Sun May 11 1997 11:49

On my mountain bike, I switched from a 7-speed rear cluster to an LX hub
with 8 speeds.  I kept the same chain.  Now in looking at the new hub, I see
the chain is really gouging the faces of the gears on the freewheel.  It's
almost as if the chain is too wide.  Should I have a different chain for
this 8-speed cluster or is this just an adjustment issue with the rear
derailleur?  If I need a different chain, can someone recommend a good
brand?

Jim
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3207.1Maybe Not...WMOIS::GIROUARD_CMon May 12 1997 10:1114
    Jim, first make sure what you are looking at are gouges. The cogs will
    have cut-outs on the teeth that assist the shifting process.
    
    If they are gouges your drive chain must be making one hell of a
    racket. If your bike isn't, then those gouges were manufactured into
    the cogs.
    
    There are narrow chains that you can buy, but my guess would be that
    your "7spd chain" should work with your "8spd set-up".
    
    There are a wide price ranges on chains. If you decide to replace the
    chain it will really be up to you and the amount you wish to spend.
    
    Chip 
3207.2ZEKE::BURTONJim Burton, DTN 381-6470Mon May 12 1997 11:478
Chip,

Thanks for the pointers.  They are definitely slight gouges since they are
located on the gears I used on the last trip and not on other gears. I talked 
with Naults and they said is sounds like an adjustment problem.  I'll try that
first.

Jim