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PostPosted: Thu Sep 19, 2013 9:27 am 
Dirt Disciple

Joined: Sat Jan 14, 2012 12:54 pm
Posts: 54
Hello

I have a 58 cm Peugeot Perthus made from Reynolds 753r. The rear hub spacing of the frame is 126 mm OLN. I currently have a 7 speed Shimano set up with some horrible plastic cheap 7 speed STI shifters.

I would really like to be able to buy a modern (but tasteful) set of wheels and a more up to date groupset (probably go for a Campag 8 speed or higher).

The problem being that all modern stuff is 130 mm for the rear hub. So that would mean stretching my frame.

I have been looking around the web for sometime to see what people think about stretching the frame out and whether it will cause damage in the long term. There is so much conflicting advice!

So, can I have your advice? Would you risk it? I have heard 753r is not the best at being cold set.

Many thanks


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PostPosted: Thu Sep 19, 2013 12:55 pm 
Retro Guru
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Joined: Wed Apr 25, 2012 2:08 pm
Posts: 2186
Location: Shrewsbury
Its +2mm on each side. Not worth worrying about :)


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PostPosted: Thu Sep 19, 2013 1:09 pm 
Old School Grand Master
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Joined: Fri Oct 14, 2011 8:41 pm
Posts: 8236
Location: Cumbria
Apply thumbs to each dropout when inserting rear wheel :)

Shaun


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PostPosted: Thu Sep 19, 2013 5:50 pm 
Retro Guru
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Joined: Sun Jan 06, 2013 9:51 pm
Posts: 277
Location: AL5, Herts, UK
I have done this on my 531c frame but as I'd paid under £50 for it could afford to be relaxed (and had yet to paint it).

I used the Sheldon Brown technique. Personally it was worth the risk to be able to change the rear wheel without too much chair lube on the paws. Also I have 3 sets of wheels and am indecisive.


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PostPosted: Thu Sep 19, 2013 5:56 pm 
retrobike rider / Gold Trader
retrobike rider / Gold Trader

Joined: Sat Jul 21, 2007 9:48 am
Posts: 6977
Location: Bristle
753r needs more care than 531. but it's 4mm, the frame will have been coldset further than that during building.


Last edited by cce on Thu Sep 19, 2013 9:12 pm, edited 1 time in total.

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PostPosted: Thu Sep 19, 2013 9:01 pm 
Retro Guru
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Joined: Sat Mar 12, 2011 7:15 pm
Posts: 336
Location: Northampton
For my 753 peugeot I changed the rear axle......


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PostPosted: Fri Sep 20, 2013 12:48 am 
retrobike rider
retrobike rider
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Joined: Fri Oct 28, 2005 1:10 am
Posts: 4473
Location: Bristol
Frame builder+choccy Hobnobs+£20x slow day=RESULT!
Done 3 frames so far.


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PostPosted: Fri Sep 20, 2013 12:56 am 
Old School Hero

Joined: Mon Apr 22, 2013 1:56 am
Posts: 164
I've put a 126mm hub in a 120mm frame, 130mm in 126mm would be fine.


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PostPosted: Fri Sep 20, 2013 1:03 am 
Retro Guru

Joined: Wed Apr 24, 2013 8:09 pm
Posts: 554
Location: cheshire
could get afew mill taken off any lock nuts ect on the axle


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PostPosted: Fri Sep 20, 2013 8:43 am 
Dirt Disciple

Joined: Sat Jan 14, 2012 12:54 pm
Posts: 54
Okay thanks guys. Looks like it is a fairly positive result. I might try to borrow a 10/11 speed wheel and just check the clearances of the smaller gears on the frame.

Now I need to source a set of wheel that actually look nice on the frame. Why is everything black these days!?


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