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Technical & Reference Section => Tech and Restoration => Topic started by: motomagII on May 27, 2012, 08:24 AM

Title: 24 cruiser gear ratio
Post by: motomagII 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

Title: Re: 24 cruiser gear ratio
Post by: HEYWOOD BMX on May 27, 2012, 01:03 PM

26 or 27

Title: Re: 24 cruiser gear ratio
Post by: THIRSTYKIRSTY on May 27, 2012, 01:09 PM

i gott a 25 for a tenner

Title: Re: 24 cruiser gear ratio
Post by: James Nada 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?

Title: Re: 24 cruiser gear ratio
Post by: motomagII 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

Title: Re: 24 cruiser gear ratio
Post by: motomagII 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