shimano standard double maximum cassette

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Bigdod
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shimano standard double maximum cassette

Postby Bigdod » Wed Dec 19, 2012 10:12 am

Hi
I have a Shimano standard double (53x39). I use an 11-25 here in the UK which is fine. However, next summer I am off to the Alps. Can I put a 28 block on the back? if not, what would be the largest cassette I could use?

richiebones
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Re: shimano standard double maximum cassette

Postby richiebones » Wed Dec 19, 2012 10:49 am

if its a shimano rear mech then a 28 works fine dispite what the tech doc says about 27tooth max, just need to play with the b screw

oxoman
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Re: shimano standard double maximum cassette

Postby oxoman » Wed Dec 19, 2012 16:01 pm

Im currently using a 53 x 39 with a 11 to 28. I have a 12 to 30 rigged up on spare wheel for when i went down to devon in the summer, Just put a slightly longer chain on and changed for a longer rear mech. Made most of the devon hills rideable rather than walking them. ( please note only done because i'm 13 stone and not fully fit)
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dennisn
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Re: shimano standard double maximum cassette

Postby dennisn » Wed Dec 19, 2012 21:03 pm

Simano cranks allow you to fit a 38 tooth on the front, if you wish. It's not much, but when in the mountains I've found that having ENOUGH in the low gear range is very handy and one less tooth up front is just that much better when the going really gets steep.

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declan1
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Re: shimano standard double maximum cassette

Postby declan1 » Wed Dec 19, 2012 22:57 pm

I've got a standard double plus an 11/28 at the back - works fine.

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nicklouse
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Re: shimano standard double maximum cassette

Postby nicklouse » Wed Dec 19, 2012 23:36 pm

it has little to do with the cranks but what the mech can manage as the largest cog on the cassette.

change the rear mech to one that can manage a 32 or 34 cog then the world is your oyster.
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matty boy 80
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Re: shimano standard double maximum cassette

Postby matty boy 80 » Fri Dec 21, 2012 20:48 pm

When i done the Marmotte this year i was able to get a 12/30 rear cassette to work with a compact chainset and a standard length Ultegra rear deraileur.


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