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Right, I'm going to bump this back up. I think realistically I'm not going to get around to doing this, mainly because I've got too much work on but I've also just picked up a ratty old disc. Back up for £25
Description of the damage (bad bits):
-Ding on the rim. It's a bit crispy sounding because the fibres are very dry. Here I think it might just need sanding back and some resin squirting in with a syringe.
-Crack on the sidewall. Will probably need sanding back and a small patch applying.
-Valve hole is fine, it's not damaged.Good bits:
-Pretty strong wheel.
-Hub is lovely if you wanted to cut it out the wheel.I think it's a pretty easy fix. Alternatively, do what I was going to do and bond some skins on and make it into a budget disc.
Pick it up from Waterloo, Staines or Egham. NOW SOLD.
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Ebay from Poland, but it might be the same one. Got a link to the Pedalroom ad?
I've had a bit more of a closer look and it makes a crinkling sound if I try and flex it - so it's probably foil filled. Sounds very dead if I tap it near the rim and the tone changes about 30-40mm in. The foam must just be up near the rim. It's very, very stiff! Like riding a dinner plate even with only about 80psi in that 25mm tub!
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I seem to have just bought the world's rattiest obscure Russian disc. He had it up as a Fluidisc and it kind of looked like one, but it was so cheap it really didn't matter. So it's a solid foam core, UD carbon or Kevlar laid up in panels like a Fluidisc. About 3 plies thick and it's really heavy. Faint outline of a logo which is oval in shape a bit like a long FIR sticker. Not elliptical like a Fluidisc sticker. Proper flywheel, this thing does NOT want to lean over for corners once it's moving!
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Yes, sprints are the same size as 700c.
Still convinced this is a 50s frame, I've had a quick look at a couple of Ernie Clements bikes. Check this one: http://www.classiclightweights.co.uk/bikes/ernie-clements-browne-rb.html
I'm still feeling yours aren't early Nervex lugs. They might be cut down Oscar Egg Super Champion, however. The horns are too fat and the flat bottom looks a bit too broad to be Nervex but it's really close to the shape of an uncut Oscar Egg. Fancy cut lugs was what you wanted in the 50s. See the frame number on that one is quite close to yours too and is dated 1953.
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Someone posted this video on the Bonneville Facebook group earlier:
https://www.dropbox.com/s/p6ddmwnzcn0i29s/Video%20Sep%2014%2C%209%2034%2048%20AM.mov?dl=0
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Probably more likely that it would have had sprint rims with 1" tubulars. 27 x 1-1/4" seemed to be found more on gents' town bikes, some tourers and then on Weinmann equipped drop bar racers in the 70s and 80s. A track bike wouldn't have had them.
The more I look at this, the more I think it's older than 60s. I think it would have looked very dated in the 60s with those early 50s lugs. Things had moved on by then. The slightly bigger clearances would tie it quite well as a 50s frame, as would the fancy chrome and paint.
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Pre Cursa is definitely a good starting point and you won't need to spend anywhere near £750 on it to be happy with it. If that's your budget and that's what you want to spend, may I politely suggest some completely unnecessary HHSB accoutrements including rear disc so you can really enjoy it.
Another option is the NJS frame route. Traditional steel tubes, tight, aggressive geometry, most with some racing pedigree. NJS Export is where you need to start looking, if you don't already know.
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Ok, it's carbon, because I can see some black fibres. Not glass in black resin, at least round the rim anyway. 3k weave on the bits round the rim that I can see. Wet layup because there are some dry looking fibres. Nice hub, but... it's bonded in the wrong way round! So it's got backwards aero, lol. I'm sort of tempted to skin it with 0.3mm cf and run it as a disc.
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I like that. Quite a lot.