I sought out and installed an extra long seat post, which as it happened, revealed an extraordinary patina which looks exactly like a damascus etching to my eyes! The roller brakes required custom brackets to fit on disc brake mounts, as did the front light; it's really a one off!
http://www.ebay.co.uk/itm/New-build-of-classic-TREK-Y33-full-suspension-carbon-frame-perfect-for-London-/232209270586?hash=item3610c0473a:g:BYoAAOSw241YavR3