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PostPosted: Mon Mar 18, 2013 8:53 pm 
P.o.T.M. Winner / MacRetro Rider
P.o.T.M. Winner / MacRetro Rider
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Joined: Fri Jan 23, 2009 1:03 am
Posts: 5502
Location: In the foothills of the foothills of The Cairngorm Massif :D
OK so I've taken a shine (LOL) to this bike again..........

viewtopic.php?f=1&t=146592&hilit=bridgestone


As you can see plenty of rust on derrys/spokes etc but everything actually does work. What's the easiest way to remove such rust or otherwise refurbish the items, barring putting replacement parts on?

:?:


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PostPosted: Mon Mar 18, 2013 9:16 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider

Joined: Thu May 06, 2010 10:05 pm
Posts: 5651
Location: Aberdeen
Unfortunately I don't think you'll ever get rid of some of that rust completely, some of it's not just surface rust but has actually penetrated into the metal.
A wire brush (or one on a drill) will clean a lot of it up, followed by Autosol and a big dose of elbow grease, you may be able to remove the brown rust colour but will probably be left with grey pitting (which actually doesn't look as bad as it sounds.
The problem is that in trying to remove the rust you'll probably remove whatever protective coating the steel underneath has left, leaving it more open to rust in the future.

You could try testing a small piece in some of the rust converter stuff that folk use on their classic cars, it's supposed to neutralise the rust, then you can just snad it off or paint over it.
I've heard other cures for surface rust, like leaving parts in a glass of coca-cola overnight...

I'm sure there's plenty of other rust remedies out there, but if it were me I'd try a brush and metal polish first, to see how far that would go.


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PostPosted: Mon Mar 18, 2013 10:22 pm 
Retro Guru

Joined: Tue Jan 01, 2013 9:46 pm
Posts: 304
Try folding aluminium foil so the dull side is on the outside, then dip into a glass of real Coca Cola not diet must be the original coke. Then rub onto rust patches if I can find a link I'll post it.


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PostPosted: Mon Mar 18, 2013 10:26 pm 
Retro Guru

Joined: Tue Jan 01, 2013 9:46 pm
Posts: 304
Don't know if link will work....

http://www.radbmx.co.uk/forum/index.php?topic=52096.0


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PostPosted: Mon Mar 18, 2013 10:38 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider

Joined: Thu May 06, 2010 10:05 pm
Posts: 5651
Location: Aberdeen
Kona lover wrote:



That looks very impressive! I'd heard about using tin foil on ally frames, no reason why it wouldn't work on chrome or steel I guess, and Coca-Cola has many uses :)

I've bookmarked that link, thanks!


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PostPosted: Mon Mar 18, 2013 10:46 pm 
Retro Guru

Joined: Tue Jan 01, 2013 9:46 pm
Posts: 304
No worries, used the method on a 1978 Motomag - worked well.

Been a while though so thought I'd put the link up just to make sure. :lol:


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PostPosted: Tue Mar 19, 2013 12:13 pm 
Retro Guru
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Joined: Mon Oct 08, 2012 9:46 am
Posts: 255
Location: Avalon
I must say I was skeptical about the tinfoil thing until I tried it,it really works


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PostPosted: Tue Mar 19, 2013 12:41 pm 
Old School Grand Master
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Joined: Sun Aug 21, 2011 11:57 pm
Posts: 4074
Location: Antwerp, Belgium
So does this work only on chrome or on bare metal too? I have a painted frame with plenty of paint damage and hence surface rust on the top- and downtube. Not in the mood for a full strip, paint and decal job, so I was thinking about touching it up for now.


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PostPosted: Tue Mar 19, 2013 1:38 pm 
Retro Guru
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Joined: Thu May 03, 2012 7:13 pm
Posts: 2574
Location: The Cock Inn, Tillett, Herts
Use Bilt Hambers Deox gel to 'melt' rust away without harming paint.


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PostPosted: Tue Mar 19, 2013 5:01 pm 
Dirt Disciple

Joined: Sat Mar 09, 2013 7:21 pm
Posts: 77
Location: Norfolk
These Guys do some fantastic rust remover and much more thats great for bike restoration http://www.frost.co.uk/ I have used quite a bit of there products on cars and Motor bikes in the past, yes a bit pricey but good stuff.


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