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  1. #1
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    cleaning your bike chain

    So I'm new to bike maintenance, and I bought a chain care kit, made by finish line, and my question is... I'm cleaning a very old chain, which probably hasn't been cleaned, and barely used, in 20 years. I've run the chain through the cleaner, and there is so much old grease on the gears that the chain just keeps getting greasy. I'm now using a teflon based lubricant, so should I clean the old grease off the gears and let the teflon be the only lube, or should I leave some of the old grease on?

  2. #2
    Senior Member peripatetic's Avatar
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    clean off all of the old grease. probably best to just throw the chain out, maybe replace your freewheel. check the chain "stretch" or wear first: should be 12" between any 12 links. search, there are tons of explanations of this or check: www.sheldonbrown.com and www.parktool.com, especially before posting questions like this one.

  3. #3
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    If the chain is not badly worn, it's age is immaterial. The "gears" should be thoroughly and completely cleaned and they don't need to be lubed. Only the chain does and do it lightly and wipe off the excess on the outside. All the lube on the outside does is collect dirt.

  4. #4
    Senior Member MudPie's Avatar
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    Quote Originally Posted by rpadam
    So I'm new to bike maintenance, and I bought a chain care kit, made by finish line, and my question is... I'm cleaning a very old chain, which probably hasn't been cleaned, and barely used, in 20 years. I've run the chain through the cleaner, and there is so much old grease on the gears that the chain just keeps getting greasy. I'm now using a teflon based lubricant, so should I clean the old grease off the gears and let the teflon be the only lube, or should I leave some of the old grease on?
    You should clean all the old grease off of the chain, chainring, and cogs. Grease is a magnet for dirt and who knows how the grease adversely affects the teflon lubricant.

    Once all is clean, stick with one chain specific lubricant.

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