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Old School BMX 1980 - 1988 => Old School Freestyle (frame stands and kickturns galore!) => Topic started by: Trev on October 28, 2007, 11:06 AM

Title: Gearing
Post by: Trev on October 28, 2007, 11:06 AM

Does anyone know what would be an ideal cog size if you were running a 25T chainring?

Cheers.

Title: Re: Gearing
Post by: Dark Diggler on October 28, 2007, 11:11 AM

9  :daumenhoch:

Title: Re: Gearing
Post by: MeddlE on October 28, 2007, 11:13 AM

9 tooth Trev.

25-9 ratio 2.777
28-10 ratio 2.8
30-11 ratio 2.727
33-12 ratio 2.75
36-13 ratio 2.769
39-14 ratio 2.786
41-15 ratio 2.733
44-16 ratio 2.75

Title: Re: Gearing
Post by: Trev on October 28, 2007, 12:25 PM

cheers guys.  :daumenhoch:

Title: Re: Gearing
Post by: subversion on October 28, 2007, 06:41 PM

http://www.bikeguide.org/guides/drive/gearchart.php (http://www.bikeguide.org/guides/drive/gearchart.php)

That extends on what MeddlE covered...

Title: Re: Gearing
Post by: billstup on October 28, 2007, 06:51 PM

Phil have you got a link for a 24" wheel size gearing chart ?

Title: Re: Gearing
Post by: bsdforever on October 28, 2007, 08:45 PM

I run a 30-10 and it's pretty fast

Title: Re: Gearing
Post by: Gary72 on October 28, 2007, 10:53 PM

Quote from: billstup on October 28, 2007, 06:51 PM

Phil have you got a link for a 24" wheel size gearing chart ?

http://www.radbmx.co.uk/forum/index.php'topic=46068.msg476540#msg476540

Title: Re: Gearing
Post by: region11 on October 29, 2007, 06:52 PM

This is a link to an old rideusa/snap piece on gears.  20 & 24 inch.  Probley more use to racing :)

http://www.bmxonline.com/bmx/tech_help/article/0,15737,382261,00.html