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 Post subject: IS v PM mounting Aaargh
PostPosted: Sat Apr 13, 2013 1:32 pm 
retrobike rider / Gold Trader
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Location: South Buckinghamshire
Brakes back from service, SIDs ready for fitting. Forgot about mounting. Brakes are Hope Mini IS mount. Forks are PM. See pics

Image

Image

Rotors are 183 so I assume I need this?

http://www.chainreactioncycles.com/Mode ... elID=15622

Never done this before, hence the NOOB mistake

TL


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PostPosted: Sat Apr 13, 2013 1:52 pm 
Old School Grand Master
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Location: Fircombe.
No, not that one; you need this: http://www.ebay.co.uk/itm/281089427645? ... 1423.l2649

However...
...your caliper is a no3 , which is normally used with a 185mm disc on the front. The adapter means you have to go up a size, so you will need a 203mm disc on the front.
fun and games!


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PostPosted: Sat Apr 13, 2013 2:04 pm 
retrobike rider / Gold Trader
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Thanks Reuben. So this one...

http://www.chainreactioncycles.com/Mode ... elID=13735

And a new disk. Assume my rotor is a standard one and not floating. How can I tell?

TL


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PostPosted: Sat Apr 13, 2013 2:24 pm 
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trickylad wrote:
Thanks Reuben. So this one...

http://www.chainreactioncycles.com/Mode ... elID=13735

And a new disk. Assume my rotor is a standard one and not floating. How can I tell?

TL


That's the one.
I don't think floating discs were invented when minis were around. A plain flat disc of steel type rotor is what you need, but one with a wider contact area than is common today. Minis had very distinctive, quite pretty, wavey discs.


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PostPosted: Sat Apr 13, 2013 2:28 pm 
retrobike rider / Gold Trader
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I've read This thread on STW and I think I might be able to use this one..

http://clee-cycles.co.uk/esite/P1043/product

Thread: http://singletrackworld.com/forum/topic ... er-problem

If I'm reading it correctly I can get the 160 version for my 183 rotor without buying a new one.

Might be worth a try before another £30 on rotors

Thoughts?


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PostPosted: Sat Apr 13, 2013 2:45 pm 
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Location: Fircombe.
trickylad wrote:
I've read This thread on STW and I think I might be able to use this one..

http://clee-cycles.co.uk/esite/P1043/product

Thread: http://singletrackworld.com/forum/topic ... er-problem

If I'm reading it correctly I can get the 160 version for my 183 rotor without buying a new one.

Might be worth a try before another £30 on rotors

Thoughts?


Good find! It's got to be worth a go!


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PostPosted: Sat Apr 13, 2013 4:11 pm 
retrobike rider / Gold Trader
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Ordered one. We'll see


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PostPosted: Thu Apr 18, 2013 11:26 am 
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Location: Launceston, Australia
Why can't there be one standard!

Also IS mounts seem to work really easily, there is no thread on the frame/fork, but everything seems to be going post mount, is there some better reason for them?


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PostPosted: Thu Apr 18, 2013 11:56 am 
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T'boo Ted wrote:
Why can't there be one standard!

Also IS mounts seem to work really easily, there is no thread on the frame/fork, but everything seems to be going post mount, is there some better reason for them?

adjustability for starters


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PostPosted: Thu Apr 18, 2013 12:02 pm 
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I will admit I think the IS mount stuff I had were using post mount adapters, so found them easy to adjust, I suppose directly mounting to IS would be not as adjustable... assuming thats what I had, I found mounting those to frame and fork, easier and better than just using post mount... go figure.


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