Toaday's tip find: Ti Raleigh 753 'Quiz of the day'
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I've dealt with many 531 frames in their various guises and only one other 753 frame - the tubing on this frame is very thin,almost coke can thin, i've never come across 531 this guage before.
unfortunately, I'm out of the dismantling game for about 4 weeks :roll: 'till certain bits of me are working again.
unfortunately, I'm out of the dismantling game for about 4 weeks :roll: 'till certain bits of me are working again.
one-eyed_jim
Old School Grand Master
Ritchey used several different joining tecniques, often mixed on a single frame - lugs and fillet brazing for the early frames, TIG, fillets, and braze-over-TIG for the later ones. His classic seat cluster style is pretty close to that Raleigh's, with the seat bolt and stays brazed to a sleeve "lug":hamster":r2ag5wy7 said:
http://www.oldmountainbikes.com/catalog ... 997_05.jpg
He does tend to put a bit more of a fillet in the joint than you see on the Raleigh though.
one-eyed_jim
Old School Grand Master
Because a durable joint requires correct execution?hamster":18uo0bz9 said:...for obvious reasons...
I like Tony Oliver's book, but there are enough of these seat clusters out there proving their durability that his comments in this case seem a little off base. They might be valid for a tandem, or a bike with a touring load on the rear rack - Tony's area of expertise. I'm not sure he built too many road racing frames.
Here's Jobst Brandt's Peter Johnson after tens of thousands of miles of California dirt roads and alpine touring:
http://www.bikecult.com/works/archive/0 ... nJB04.html
and another PJ in the nude, showing the fillet:
http://4.bp.blogspot.com/_CZSaDPBlu48/S ... h/pj01.jpg
It probably works better in brass than in silver.
terryhfs":2axfguvr said:
I know. they did custom builds too. I meant it more in terms of dating it. At around that time they were the in thing in raleigh dealers. plus SystemU also rode raleighs - mainly white with red/yellow graphics, but I cant quite remember what their seat cluster designs were.
