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Old 10-30-05, 12:17 PM   #1
CycleAloha
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Rust Removal

I'm fixing up my MTB that has been in the weather for about 8 months...not too bad, just some rust on chain and cables...does anyone have any secrets on getting the rust off and freeing up the cables a bit?
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Old 10-30-05, 12:42 PM   #2
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Originally Posted by CycleAloha
I'm fixing up my MTB that has been in the weather for about 8 months...not too bad, just some rust on chain and cables...does anyone have any secrets on getting the rust off and freeing up the cables a bit?

Yeah. Replace the cables and housing. Might replace the chain as well.
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Old 10-30-05, 12:52 PM   #3
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Yeah, that's what i'm afraid of...tried to get the rust off but may have to just go that route. Thanks
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Old 10-30-05, 03:21 PM   #4
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On better bikes, there's not that much to rust. Lots of alloy. Usually, you see the chain start to go on bikes that are left out, and sometimes rust will accumulate inside of allen screws and such. A well-lubed chain will stay rust-free for a long time. Likewise, stainless-steel cables.

Surface rust comes off easily with a dremel and wire-wheel attachments; they make a cute little end-brush that goes right inside hex screws.
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Old 10-30-05, 04:03 PM   #5
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I've heard it said, once a chain starts to rust, just replace it. Apparently, even "surface" rust can weaken a chain to a point that it is best to trash it. I can't say for sure, but a chain and new cables aren't all that expensive. If you plan to ride it much, why risk it? OHB
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Old 10-30-05, 06:39 PM   #6
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There are several products for removing rust sold at paint supply stores, particularly those that sell urethane paints for cars. This product can be applied with a brush over the rust and a chemical reaction will make the rust a salt. Once the product is dry, you can wipe the salt off et voilá!

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Old 10-30-05, 07:24 PM   #7
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Good info, I'll check it out....thanks
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Old 11-01-05, 10:51 AM   #8
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Originally Posted by Old Hammer Boy
I've heard it said, once a chain starts to rust, just replace it. Apparently, even "surface" rust can weaken a chain to a point that it is best to trash it. I can't say for sure, but a chain and new cables aren't all that expensive. If you plan to ride it much, why risk it? OHB
Even a well-maintained chain will almost immediately rust on the surface after a good drenching (e.g., driving home from the trails in a downpour with the bike on the roof). Just cleaning and re-lubing removes the surface rust. I doubt that this could weaken the chain. If a chain looks and works fine, I only replace it if it stretches or breaks.
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