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 Post subject: U-Brake PLEASE HELP!
PostPosted: Tue Oct 23, 2012 11:03 am 
Gold Trader
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Please help.... I got this Cannondale a few months ago and it came with the Exage U-brake in the pic, no bolts though. Do I need special bolts to fit to the odd bosses on the frame? I just can't see how the internal spring will work with a normal bolt. Am I being retarded? :oops:


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 Post subject:
PostPosted: Tue Oct 23, 2012 11:42 am 
King of the Skip Monkeys
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http://www.retrobike.co.uk/gallery2/v/M ... ewsIndex=1


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 Post subject:
PostPosted: Tue Oct 23, 2012 1:04 pm 
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legrandefromage wrote:
http://www.retrobike.co.uk/gallery2/v/Manufacturer+Archive/Shimano+Archive/Service+Manuals/BR-MT63+BR-MT62+BL-MT63.JPG.html?g2_imageViewsIndex=1


thanks for that but the exage one I have has different internals so no joy :(


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 Post subject:
PostPosted: Tue Oct 23, 2012 1:10 pm 
King of the Skip Monkeys
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it will give you an idea of how they work. The tension is internal so no external hole for the spring is required, like a few cantilever brakes.

In fact, I believe the internals are the same.

Heres a view under those plastic caps (ignore that odd shaped eccentric cam washer - thats to locate the integral booster on higher models)

Image


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 Post subject:
PostPosted: Tue Oct 23, 2012 1:25 pm 
King of the Skip Monkeys
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Have some more 'stuff'

Image

bigger:

Image

Image


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 Post subject:
PostPosted: Tue Oct 23, 2012 1:26 pm 
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I now understand how the internal spring works what I don't get is when I bolt it all on to the bosses using a normal M6 bolt, the bolt just binds the brake on??? I would have thrown the lousy piece of shit on the fire before now if I could use cantis but the bosses on the frame have no holes for the spring.....aaaaaaaarrrrrggggghhh :evil:


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 Post subject:
PostPosted: Tue Oct 23, 2012 1:29 pm 
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Oh....think I'm missing part #18....a spacer


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 Post subject:
PostPosted: Tue Oct 23, 2012 1:37 pm 
King of the Skip Monkeys
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you wont be able to use cantilevers - the mounts are too far up the stays - however...

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 Post subject:
PostPosted: Tue Oct 23, 2012 1:39 pm 
King of the Skip Monkeys
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or even better...

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 Post subject:
PostPosted: Tue Oct 23, 2012 1:42 pm 
King of the Skip Monkeys
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ta da!

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