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  1. #1
    Senior Member
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    Any rules of thumb as to when various component should be replaced? I just switched out the RX100 rear derail on my 91 Peugeot Success, not because of any specific problem but because i figured performance could be improved after 14 years.

    The smoothness & crispness of shifting of the new 105 derail really surprised me. Any other parts that might well be replaced? (crank was replaced for a triple about 6 years ago). Stock rims were replaced with Mavic Reflex SUP after a collision that also led to replacing the fork with a Sakae Litage FX.
    Last edited by Cyclepath; 08-09-05 at 04:04 AM.
    Where have you been all your life?

  2. #2
    cyclist/gearhead/cycli... moxfyre's Avatar
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    Quote Originally Posted by Cyclepath
    Any rules of thumb as to when various component should be replaced? I just switched out the RX100 rear derail on my 91 Peugeot Success, not because of any specific problem but because i figured performance could be improved after 14 years.

    The smoothness & crispness of shifting of the new 105 derail really surprised me. Any other parts that might well be replaced? (crank was replaced for a triple about 6 years ago). Stock rims were replaced with Mavic Reflex SUP after a collision that also led to replacing the fork with a Sakae Litage FX.
    If it ain't broke, don't fix it, unless you like making the marketing depts happy Well... On the other hand, if you have a strong suspicion that something can be improved (like that derailer), may as well go for it.

    The only part that I replace REGULARLY is the chain. I replace it whenever it has elongated 1/2%, which greatly increases the life of the cassette and chainrings.
    My bikes | Linux and Python stuff | Photo gallery

    Sheldon Brown, I miss you. Thanks for the advice, ideas, humor, and infectious enthusiasm for everything bikes...

  3. #3
    Senior Member
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    Thanks. I think any moving part that sees hard service is due for a replacement/upgrade after 10 years or less. I'm getting a front derail next. The original Weinmann wheels never stayed true for long but the Mavics hardly ever need trued.

    Old parts may still work but a crisp new component or two can be like having a new bike only without the expense. Save the old parts to sell off when they become vintage.
    Where have you been all your life?

  4. #4
    Sometimes knows stuff. rmfnla's Avatar
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    Quote Originally Posted by Cyclepath
    Any rules of thumb as to when various component should be replaced?

    I upgrade when "I just gotta!".
    Today, I believe my jurisdiction ends here...

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