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I measured the bottom bracket shell and it's 68mm. I'm pretty happy it's standard bb sizing. I removed the fixed cup and have ordered a cheapie sealed bottom bracket with 110.5mm axle.
I'm hoping the chain line will be ok... if it's not then I won't have wasted much money.I'm now planning to just replace the bearings in the headset and find a new locknut.
I've also bought a crank and wheels on ebay. Hoping they'll be ok.
Paint stripping and rust removal going well, still a couple of hours to go.
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I've bought some decals from ebay (http://www.ebay.co.uk/itm/321062132294), so I'll need to find a colour that's close to the original.
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From http://www.sheldonbrown.com/bbsize.html
Assuming 3S2 is the same as 3S then the shell width is 68mmCross referencing this with the table "Bottom Bracket Threading" at the bottom of the same page it says I'll have 24 tpi if the shell width is 68mm. And that the 26tpi BBs have shell widths of 71mm or 76mm
I'll measure the shell width when I get back from work to confirm.
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The frame is actually very solid and I've managed to remove a lot of the rust already.
Managed to get the cranks off last night and removed the bottom bracket. The spindle is stamped 3S2 - not sure if this helps determine if it's 26tpiCalipers will be delivered on Monday, so I'll update this thread with headset measurements then.
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Thanks for your reply.
I'll get some calipers asap and report back with measurements.Since the headset was seized, I was planning on getting a new one. It's moving freely now, I've not managed to remove it as my adjustable spanners aren't wide enough.
If the headset is 26 tpi will it follow that the BB will be "odd" too?
I haven't removed the BB yet, waiting for crank extractor to arrive from ebay seller. -
I wanted to convert my Raleigh Pursuit into a fixie, then after some initial research I realised that I had vertical dropouts :(
Anyway I managed to get hold of a very rusty Carlton Criterium frame, which has nice horizontal ones. The guy was taking it to the dump, so I was hoping to give it a new life.
My heart sank when I first saw it.http://www.lfgss.com/attachment.php?attachmentid=82147&stc=1&d=1395931052
It's a 1980.
Undaunted I started renovation.
Now, after several hours of sanding and scraping, I've removed much of the rust and have un-siezed the forks. (I'll post an up to date picture later)Up until a few weeks ago I didn't know the terms: dropout, bottom bracket, headset, etc. But I've been studying Sheldon Brown trying to get "up to speed".
I'm starting this thread to keep a record of the work and I'm going to have a few questions during the course of the build... I hope I'll find help from this forums members.The cranks are cotterless and reading Sheldon this seems to imply that I won't have a 26 tpi headset and bottom bracket. How can I check?
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Here's the crankset and wheels I've ordered
http://www.ebay.co.uk/itm/191112931350
http://www.ebay.co.uk/itm/390806379024