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 Post subject: Help with brakes
PostPosted: Thu Jul 26, 2012 9:17 pm 
Dirt Disciple
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Joined: Fri Jun 15, 2012 11:01 pm
Posts: 22
Location: High Wycombe
Hi.

I am currently putting together a Raleigh milk race and I have some shimano exage brakes that I have just attempted attach. However the fixing bolts for the brakes won't fit into the holes in the frame and forks? Does anyone know how to resolve this?

Cheers.


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 Post subject: brake fitting
PostPosted: Thu Jul 26, 2012 10:09 pm 
Dirt Disciple

Joined: Mon Aug 16, 2010 11:06 pm
Posts: 91
Location: Long Eaton
Sorry if i'm teaching you to suck eggs - there are two types of brake fittings:- nuts which were on earlier frames ie my 70's Carlton and allen key on later frames ie my 1990 Dyna Tech. You can have an earlier frame drilled to accept later brakes but better to source the right brakes
cheers Bill


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 Post subject:
PostPosted: Thu Jul 26, 2012 10:18 pm 
Dirt Disciple
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Joined: Fri Jun 15, 2012 11:01 pm
Posts: 22
Location: High Wycombe
I am new to bike building so everything is a great help. The brakes I have are allen key so I guess I will need to source some nut ones or get the frame drilled?


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 Post subject:
PostPosted: Fri Jul 27, 2012 9:09 am 
Old School Hero

Joined: Fri May 18, 2012 11:24 am
Posts: 194
Location: London SW
Dmnic3 wrote:
I am new to bike building so everything is a great help. The brakes I have are allen key so I guess I will need to source some nut ones or get the frame drilled?


Drilling the fork is a straightforward job with the correct bit.
Drilling the rear bridge can be a bit trickier, depending on how wide the tube is and whetehr it is round or it has a boxed section. If your calipers need a recession bolt, I think you have no other option than drilling as the screw is not long enough to use a common nut.
I wouldn't drilled an expensive frame but rather find the correct period brakes. If it is a gas pipe special, then drill...


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 Post subject:
PostPosted: Fri Jul 27, 2012 9:22 am 
Retro Guru
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Joined: Wed Apr 25, 2012 2:08 pm
Posts: 2186
Location: Shrewsbury
Worth checking the caliper reach before you drill anything. Make sure there's enough adjustment for the shoes to reach the rims.


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 Post subject:
PostPosted: Fri Jul 27, 2012 9:53 am 
Retro Guru

Joined: Thu May 03, 2012 7:56 pm
Posts: 264
An option that I am exploring is rebuilding an allenkey style calipers with a nut and bolt, I can't see why it wouldn't work but I haven't quite got round to it yet. I really need to pick up a job lot of old calipers - if you have some old ones you could try.


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 Post subject:
PostPosted: Fri Jul 27, 2012 1:53 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 8212
Location: New Forest, UK
SJS Cycles do some converter parts to retro-fit nut fittings to later allen key-type brakes.


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 Post subject:
PostPosted: Fri Jul 27, 2012 7:34 pm 
Dirt Disciple
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Joined: Fri Jun 15, 2012 11:01 pm
Posts: 22
Location: High Wycombe
Thanks for the help everyone. Managed to get some old weinmans from my local 2nd bike shop so I'm going to give them a go before drilling.


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