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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  24 cruiser gear ratio
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Author Topic: 24 cruiser gear ratio  (Read 905 times)

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motomagII

  • Guest
24 cruiser gear ratio
« on: May 27, 2012, 08:24 AM »
got a 24 dirt bike and it has 12t rear cog whats the correct front for this to give me same as my 20 inch which is 38x14

HEYWOOD BMX

  • Guest
Re: 24 cruiser gear ratio
« Reply #1 on: May 27, 2012, 01:03 PM »
26 or 27

THIRSTYKIRSTY

  • Guest
Re: 24 cruiser gear ratio
« Reply #2 on: May 27, 2012, 01:09 PM »
i gott a 25 for a tenner

Offline James Nada

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Re: 24 cruiser gear ratio
« Reply #3 on: May 27, 2012, 02:25 PM »
Roughly speaking here's the maths:

38/14 x 20" = 54.29

27/12 x 24" = 54


So 27 is nearest -  and would be ever so slightly spinnier - but not much.


**And get some pics up - I wanna see it? What year is it?
« Last Edit: May 27, 2012, 06:18 PM by James Nada »

motomagII

  • Guest
Re: 24 cruiser gear ratio
« Reply #4 on: May 28, 2012, 08:02 AM »
in restoing it for dude at work .he is donating it to local lad whos bike got pinched and cant afford anopther ride .
i am doing labour and powder coat on it and trying to source parts foc of cheap as chips kinda thing .
so ineed summat 27 /28 and this will be same is not fogetting its 24 inch bike not 20
it had 33 on before but it was beyond repair

motomagII

  • Guest
Re: 24 cruiser gear ratio
« Reply #5 on: May 28, 2012, 08:42 AM »
right anyone got a standard solid ring 19mm axle in anything from 27 to 30 i reckon will do if cheap enough lol

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