New Shifter and RD option for 8 speed Trek 6000- Mtbr.com
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  1. #1
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    New Shifter and RD option for 8 speed Trek 6000

    Hi folks, new to the site and hoping you can point me in the right direction....

    Looking to update the rear derailleur and shifter on my 10+ year old Trek 6000. The bike is solid, my skills and the fact that I have 3 kids don't warrant dropping any cash on a whole new ride today. The shifter is shot - it's an 8 speed cassette and I simply want to strip off and replace the RD & shifter.

    It has a shimano deore lx RD and whatever stock shifter came with it.

    Two questions:
    -can a new 9 speed RD and shifter work with the existing mounts and cassette?
    -if so, what's a good grade that balances price and performance. I don't care about weight - but want rock solid shifting.

    Thanks!

  2. #2
    What could go wrong ...
    Reputation: Zoke2's Avatar
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    the 9 speed RD and shifter will work but you will need to get a 9 speed cassette and a 9 speed chain. Shimano SLX would be a good place to start.
    I used to ride to Win ... Now I ride to Grin

    While my guitar gently weeps, my bike sits there mocking me

  3. #3
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    Reputation: THE ARS's Avatar
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    Are you sure you need to replace them? A little cleaning has been known to go a long way in a shifter.

  4. #4
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    thx for the tip. my wife surprised me last year for Father's Day and put a new chain and 8 sp cassette on it. so if possible I'd want to keep those parts. otherwise I'm looking at a cassette, chain, probably front chain rings too?

    think it's possible for me to get my hands on an 8 speed shifter? something vintage?

  5. #5
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    no - not sure at all, actually. spend some time last year cleaning the shifter mechanism. if shifts "up" perfectly, but the downshifting ratchet doesn't catch correctly. don't know if it's a worn pall, or gunk. tried soaking it in penetrating oil and relubricating, no luck.

    leaning toward an ebay auction for an 8 speed shifter at this point. can't justify a couple hundred for 1 more gear

  6. #6
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    Quote Originally Posted by THE ARS View Post
    Are you sure you need to replace them? A little cleaning has been known to go a long way in a shifter.

    x2.

    8 out of 10 "broken" rapidfire shifters work like new after a good cleaning (de-grease) and re-lube. No need to disassemble- takes about 5-10 minutes, maybe worth a shot.

  7. #7
    Fat-tired Roadie
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    Shifters do wear out, eventually. At more than a decade and a previous flush, I don't think this one owes you anything.

    When I was still in school, my choice would have been Deore 9-speed for the shifter and derailleur and SRAM 950 for the cassette and chain.

    Take a little time getting good, square ends on your shifter cable housing and you won't be impressed at demo days. :-)
    "Don't buy upgrades; ride up grades." -Eddy Merckx

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