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  1. #1
    Canadian Beaver Inspector jkindt's Avatar
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    Cleaning and checking bearings

    What is the best way to clean crank bearings and inspect them for wear? It is a lot cheaper to change just a couple of bearings on one end of a crank than to change all of the bearings. Especially when the crank is not that old and only has a couple suspect bearings. I just don't want to damage it more by trying to clean it improperly if there is a better way.


  2. #2
    Hayabusa's Avatar
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    Quote Originally Posted by jkindt View Post
    What is the best way to clean crank bearings and inspect them for wear? It is a lot cheaper to change just a couple of bearings on one end of a crank than to change all of the bearings. Especially when the crank is not that old and only has a couple suspect bearings. I just don't want to damage it more by trying to clean it improperly if there is a better way.
    You can clean them with most any kind of spray solvent such as choke or brake cleaner. Just be sure to lube them back up when your done. There's no real good way to measure them for wear but they should spin smoothly and quietly with only minimal play. The outer bearings are very easy to replace but the inner ones require disassembling of the crank so it's pretty much a total rebuild.

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