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 Post subject: 110mm to 130mm cainrings
PostPosted: Wed Mar 10, 2010 3:55 pm 
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Joined: Sun Dec 14, 2008 11:59 am
Posts: 76
hi!
my frined has fsa cmpact crankset and he doesn't like it and would put 53/39.
Crankset is 110mm so is it possible to put 53/39 chainrings?

thanks


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PostPosted: Wed Mar 10, 2010 4:07 pm 
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It shouldn't work as the chainrings won't fit on the spider. If you need 53/39 then you need to have standard cranks


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Posted: Wed Mar 10, 2010 4:07 pm 


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PostPosted: Wed Mar 10, 2010 4:15 pm 
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It's possible to find 39/53 rings in a 110bcd. Extralite makes them as does TA and others.

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PostPosted: Wed Mar 10, 2010 4:25 pm 
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Location: San Francisco, CA
And 52/38 is easy to find.

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PostPosted: Wed Mar 10, 2010 7:18 pm 
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I stand corrected :)

So what would be the advantages of a 53/39 in 110 BCD compared to 130 BCD?

The compact being slightly lighter, vs the standard being larger and having slightly more leverage?


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PostPosted: Wed Mar 10, 2010 8:16 pm 
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The 110mm BCD won't be as stiff. Weight: I'm not sure, but it will depend on the specific chainrings and the specific spider.

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PostPosted: Wed Mar 10, 2010 8:18 pm 
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The advantage is he doesn't have to buy another crank, just rings.

The disadvantage is maybe a touch heavier than a 130 BCD crank with the same rings and slightly less stiff chainrings.


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PostPosted: Wed Mar 10, 2010 9:35 pm 
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Is a Sram crankset in 52/38 for 110 mm. or 130 mm.?? :)


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PostPosted: Wed Mar 10, 2010 9:46 pm 
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[quote="breezerboy"]The advantage is he doesn't have to buy another crank, just rings.

The disadvantage is maybe a touch heavier than a 130 BCD crank with the same rings and slightly less stiff chainrings.[/quote]

exactly :up:

tnx guys


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Posted: Wed Mar 10, 2010 9:46 pm 


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PostPosted: Thu Mar 11, 2010 1:20 am 
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madcow wrote:
It's possible to find 39/53 rings in a 110bcd. Extralite makes them as does TA and others.


Stronglight too...

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