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PostPosted: Sat Feb 24, 2018 1:26 pm 
Dirt Disciple
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Joined: Mon Jan 29, 2018 7:15 pm
Posts: 92
Location: Sussex, UK and Andorra
Been reading around and I’m trying to work out whether the above will work. NOS mechs have a sticker saying MD ONLY on them, but old catalogues from 92 show only one mech variant for both MD and NON MD?

Anyone know for sure?

Chainset is 24/36/46; so 22T difference, and I believe the MD will handle 24...so why the sticker?

Need to suss this quickly as I’ve spotted one and don’t want to miss out!


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PostPosted: Sat Feb 24, 2018 2:36 pm 
King of the Skip Monkeys
King of the Skip Monkeys

Joined: Wed Nov 07, 2007 4:34 pm
Posts: 28807
it should be fine


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PostPosted: Sat Feb 24, 2018 7:08 pm 
Retro Guru

Joined: Mon Feb 11, 2008 9:42 am
Posts: 2891
Depends on the arc on the bottom edge of the mech cage.

But, as above, unless it's wildly different, it should be fine.


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PostPosted: Sun Feb 25, 2018 12:20 am 
Retro Guru

Joined: Tue Jun 30, 2009 2:46 pm
Posts: 806
I think they are okay with an outer up to 48 teeth.


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 Post subject: Re:
PostPosted: Mon Feb 26, 2018 12:31 pm 
Dirt Disciple

Joined: Tue Feb 13, 2018 8:04 pm
Posts: 36
The arc of the cage is the same as far as I can see from holding my spare MD one over the mounted non- MD. The cage is ever so slightly narrower in profile and about 1 tooth shorter. However there is a fine print on the yellow sticker: "Max chainring less than 48T".

Dr


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 Post subject: Re: Re:
PostPosted: Mon Feb 26, 2018 1:03 pm 
Dirt Disciple
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Joined: Mon Jan 29, 2018 7:15 pm
Posts: 92
Location: Sussex, UK and Andorra
Dr Dremel wrote:
The arc of the cage is the same as far as I can see from holding my spare MD one over the mounted non- MD. The cage is ever so slightly narrower in profile and about 1 tooth shorter. However there is a fine print on the yellow sticker: "Max chainring less than 48T".

Dr


Thanks so much - super helpful. Looks like it should clear the inner ring, which is where I imagine the issue lies if running at the higher end of the cassette too!

Don’t suppose that’s a 28.6 that you fancy selling, is it?!


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 Post subject: Re:
PostPosted: Mon Feb 26, 2018 1:37 pm 
Dirt Disciple

Joined: Tue Feb 13, 2018 8:04 pm
Posts: 36
No problem, had the same question a while back. Sounds as if you´ll be safe with a 46T ring, if indeed it does work with a 24T.

Unfortunately the spare one is not for sale (it´s 31,8 anyway).


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PostPosted: Sat Mar 03, 2018 5:12 pm 
retrobike rider
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Joined: Fri Aug 08, 2008 2:36 pm
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Location: Yorkshire, England
There is an extra push bulge in the back plate iirc too, but for normal 24/36/48 setup it should* be fine. (it was designed around 20/32/42)

*should, but 26 granny may be better to keep the 22 max-min of the MD setup, just thinking about hitting the bottom of the guide ?


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