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PostPosted: Wed Apr 24, 2013 9:27 pm 
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Location: Enniskillen
I have just finished restroing a C-Record rear mech and I want to try and bring a fairly decent set of jockey wheels back to life. I have cleaned all the loose dirt from them but cant get the last bits of discolouration from the plastic, i'm sure you know what i mean. Does anybody know of anything that will strip this off the plastic and bring them back to grey?

Many thanks for any help....

Stephen


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PostPosted: Wed Apr 24, 2013 9:50 pm 
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The problem is the surface is scratched and oil has got into the scratches, I wonder if a weak solution of bleach would help


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PostPosted: Wed Apr 24, 2013 10:00 pm 
rBoTM Winner
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Location: Mansfield Woodhouse, Nott's.
47p2 wrote:
The problem is the surface is scratched and oil has got into the scratches, I wonder if a weak solution of bleach would help

What an excellent idea :D


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PostPosted: Wed Apr 24, 2013 10:05 pm 
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I tried a very strong solution of bleach......no effect

Stephen


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PostPosted: Wed Apr 24, 2013 10:09 pm 
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The only other thing I can think of is some 400 grade wet & dry then 800 grade then 1200 grade and remove the top surface, then some cutting compound (T-Cut, Farecla or similar) to restore a polished smooth finish to them


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PostPosted: Wed Apr 24, 2013 10:16 pm 
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This clip gives an idea of how to restore headlamp lenses, and it is the same sort of idea for your jockey wheels



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PostPosted: Thu Apr 25, 2013 9:35 pm 
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Why not ride your bike after giving the drive chain a reasonable coating of lube? Before you know it, the jockeys will be nicely covered in a film of oil/muck and your bike will be happier for being thrashed. When you are blowing out of your asre up a steep hill, the colour of your jockey wheels will suddenly fade into the right context :)


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PostPosted: Thu Apr 25, 2013 10:35 pm 
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bobbinogs wrote:
Why not ride your bike after giving the drive chain a reasonable coating of lube? Before you know it, the jockeys will be nicely covered in a film of oil/muck and your bike will be happier for being thrashed. When you are blowing out of your asre up a steep hill, the colour of your jockey wheels will suddenly fade into the right context :)



Maybe i'm trying to clean them up so I can make the mech more presentable for sale.....


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PostPosted: Fri Apr 26, 2013 1:16 pm 
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Might be worth experimenting with oxalic acid although you'd need a spare wheel to try it on first.


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