24-38 chainrings with 26-39 FD

Discuss light weight issues concerning mountain bikes & parts.

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andrey
Posts: 18
Joined: Tue Jun 02, 2009 5:15 am

by andrey

Currently have BB30 X0 crankset with 26-39 rings and XX 26-39 FD low direct mount S3 type

Would like to change the rings to 24-38 combo

Is it necessary to replace also FD or my present will work fine with new rings?

by Weenie


Lars K. P.
Posts: 69
Joined: Sat Mar 14, 2009 9:08 am
Location: Denmark

by Lars K. P.

Can you fit 24 rings on a BB30 X.0 crankset?
I have searched and found that few suppliers manufacture 25 rings for X.0 but I have not found a 24 solution!






andrey wrote:Currently have BB30 X0 crankset with 26-39 rings and XX 26-39 FD low direct mount S3 type

Would like to change the rings to 24-38 combo

Is it necessary to replace also FD or my present will work fine with new rings?
Lars K. P.

andrey
Posts: 18
Joined: Tue Jun 02, 2009 5:15 am

by andrey

Lars K. P. wrote:Can you fit 24 rings on a BB30 X.0 crankset?
I have searched and found that few suppliers manufacture 25 rings for X.0 but I have not found a 24 solution!


Xmmm... I planed use this one: http://www.bike-components.de/products/ ... ider-.html

But now see, that it's for GPX spindle only... Pity :(

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the_marsbar
Posts: 1022
Joined: Wed May 13, 2009 5:23 pm
Location: Denmark
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by the_marsbar

Should be possible. I am running S2210 cranks with 24/38 rings... I don't know where to get just the chainrings though...

andrey
Posts: 18
Joined: Tue Jun 02, 2009 5:15 am

by andrey

I've googled some forums and saw, that quite a lot companies (not SRAM, but others do) produce special spiders for BB30 X0/X9 cranks. So, to make a convention is not a problem and I would like return to my question: Is it necessary to replace 26-39 FD or it will work fine with new 24-38 rings? Have anyone tried this combo?

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