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PostPosted: Sun Oct 27, 2013 4:17 pm 
Dirt Disciple
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Joined: Sat Jun 30, 2012 3:18 pm
Posts: 98
Location: alfreton
I have a 7402 chainset,Would a Dura ace 7400 inner chainring that i need and is for sale be compatible.Thanks.


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PostPosted: Sun Oct 27, 2013 4:31 pm 
Retro Guru
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Joined: Thu Jun 23, 2011 11:25 pm
Posts: 1785
Location: It's not easy being a dolphin.
Just check the BCD and to a certain degree chain width - 8 and 9 speed is pretty interchangeable.

http://sheldonbrown.com/cribsheet-bcd.html


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PostPosted: Sun Oct 27, 2013 4:35 pm 
Dirt Disciple
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Joined: Sat Jun 30, 2012 3:18 pm
Posts: 98
Location: alfreton
Woz wrote:
Just check the BCD and to a certain degree chain width - 8 and 9 speed is pretty interchangeable.

http://sheldonbrown.com/cribsheet-bcd.html

BCD is the same just thinking of the teeth profile.


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