Lots of recumbent and velomobile riders run 155mm cranks, which seem to help for the different sort of riding - more spinning high cadence and low gears. Have a look at bentrider.com, lots of advice over there.
Hi, I am in the UK, but in the Northern Ireland part of it. I bought the wheels a couple of years ago from the chap who had owned them from new, who had used them for a few TTs only. I don't know who built them, I'm afraid.
Having a clear out of a few bits and bobs. Postage to UK included. I'm working on getting the hi-res images suitable lo-res, but I can email them in the meantime, if there's interest.
Campagnolo 9 Speed Record Titanium rear mech, fair condition with a few scrapes, jockey wheels ok, working...