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PostPosted: Sat Dec 16, 2017 5:35 pm 
Newbie

Joined: Mon Feb 06, 2017 2:24 pm
Posts: 5
Hi all, I have record and chorus oversized hubs, in Silver, and it appears that the outer surface is like a thin layer of plating or tin foil, with alloy underneath. My hubs appear to have damage to the thin shiny surface. Does anyone know how these hubs are made? It doesn't look like the pitting will polish out, and chroming them would be difficult? The old Campagnolo hubs were just solid alloy!


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 Post subject: Re:
PostPosted: Sun Dec 17, 2017 8:23 am 
Retro Guru

Joined: Tue Jun 03, 2008 4:31 pm
Posts: 773
I'll bet its just some form of laqeur over anodising and its the former coming off.


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PostPosted: Wed Dec 20, 2017 9:57 pm 
rBoTM Winner
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Joined: Tue Mar 27, 2012 9:28 pm
Posts: 3165
Location: Mansfield Woodhouse, Nott's.
Pics would help understand the problem more.


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 Post subject: Re:
PostPosted: Fri Dec 22, 2017 7:39 am 
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Joined: Thu May 20, 2010 9:03 am
Posts: 2014
Location: Bodmin,Cornwall.
It's from corrosion under the anodised finish, have seen it lots on various things.Seat posts, stems etc and obviously hubs.Dura Ace 9spd chainrings are paticularly bad.


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 Post subject: Re: Re:
PostPosted: Fri Dec 22, 2017 9:25 am 
rBoTM Winner
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Joined: Tue Mar 27, 2012 9:28 pm
Posts: 3165
Location: Mansfield Woodhouse, Nott's.
jm wrote:
It's from corrosion under the anodised finish.

If that's the case and the hubs are not built up, I'd strip the anodising off, then polish up.


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