Hm, I know a guy in MN who does that for fairly cheap. http://bikesmithdesign.com/
Yep, I know of him. Not cheap when shipping to and from the UK is involved. And import duty etc. If I was to get it done professionally then Mike Burrows would be my first port of call.
@Brommers started
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Hm, I know a guy in MN who does that for fairly cheap.
http://bikesmithdesign.com/