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PostPosted: Sat Aug 04, 2012 10:20 am 
Retro Guru
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Joined: Mon Jan 24, 2011 4:05 pm
Posts: 279
Location: Kent / SE London
Hi
I got this a little while ago, poorly listed on eBay. I was looking for a bargain road bike to (maybe) replace my postmans bike, an be used as my everyday hack bike.

I've been going through it replacing parts, cables, chain and tyres, an getting it rideable. It had obviously been left rotting in a shed for some time.

Now I also have a Campag and Mavic starfish cranks which I really quite fancy fitting to this. But I can't get it to fit with the brake calliper mounted on the chainstay bridge. The chainring bolts catch the brake. The brake is an old aero jobbie.

Are there any alternative options on the brake calliper or any little tricks that will open up options on fitting cranks with a different bcd? I've taken a few pics to try and explain. Also I think this is 1990s? If any one has any idea if it's early middle or late that would be appreciated and help with component choice.
Image Image Image
Cheers.


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PostPosted: Sat Aug 04, 2012 7:32 pm 
Dirt Disciple

Joined: Fri Apr 20, 2012 10:04 pm
Posts: 23
I believe that you need a center pull caliper otherwise known as a U-brake under there. something like the old Mafac racer. You could also look of an old Shimano AX roller cam brake caliper and or the Campagnolo delta. All of these brakes very greatly in price but would probably give you the clearance you are looking for. If possible you should only widen the bb as a last resort.


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PostPosted: Sat Aug 04, 2012 7:39 pm 
Old School Hero
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Joined: Sun Mar 13, 2011 11:53 pm
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Location: Jersey C.I
I believe it may originally of had a Campag Delta brake on it.


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PostPosted: Sat Aug 04, 2012 7:45 pm 
rBoTM Winner
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Joined: Tue Mar 27, 2012 9:28 pm
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Location: Mansfield Woodhouse, Nott's.
Modolo Kronos brakes might be the answer too 8)


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PostPosted: Sat Aug 04, 2012 11:48 pm 
Road Moderator
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Joined: Thu Jun 18, 2009 1:07 pm
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Location: Sheppey, Kent
Some sidepull brakes had the cable attachment on the other side which would solve the problem and be much cheaper than the alternatives mentioned above!

Longer bb axle

Pretty much every other chainset made to the stronglight has a larger bcd which may help.


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PostPosted: Sun Aug 05, 2012 12:05 am 
Old School Grand Master
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Joined: Fri Oct 14, 2011 8:41 pm
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Location: Cumbria
Weinmann 500 should slot in there nicely if it's a nutted jobby, small and the cable goes on the other side :)


Shaun


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PostPosted: Sun Aug 05, 2012 8:44 am 
Dirt Disciple

Joined: Sun Jan 08, 2012 8:58 pm
Posts: 50
Location: New Milton
campagnolo delta would look good.
cheers dave


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PostPosted: Mon Aug 06, 2012 3:50 pm 
Retro Guru
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Joined: Mon Jan 24, 2011 4:05 pm
Posts: 279
Location: Kent / SE London
Thanks for all the suggestions, much appreciated!

I should rule out the Campagnolo Delta type brakes, they'll likely cost more than the bike in total so far. :) Although the Shimano centre pull, aero brakes look interesting. But I'm not sure about the height of them (above the main pivot/fixing bolt). They possIbly look a bit too tall for the head tube, and would possibly extend forward from the bottom bracket??

So I'm going to try a cheap and light Weinmann 500 type calliper on the rear. An keep the Gran Compe aero calliper on the front. So I'm on the lookout for one of these with the cable guide on the right hand side. If any one has one please feel free to PM me.

Next step is to have a look (probably inside the bottom bracket?) and work out the cable run for the internal gear cable. It enters in the down tube without an outer, and exits at the end of the chainstay.


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