Best sprocket Ratio on a bmx for dirt jumping and a little street

PB Forum :: BMX (20")
Best sprocket Ratio on a bmx for dirt jumping and a little street
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flag ssr41
Posted: Mar 26, 2009 at 18:29 Quote
So wat is the best ratio??
Please help me out!!!

oh yea and what chain should i get!!
flag KyleIsaman
Posted: Mar 26, 2009 at 18:34 Quote
http://www.danscomp.com/serve.php?serve=faq&html=chainwheel_faqs.htm

go there, change the sprocket either up or down to gear it up or granny gear it. i prefer granny gearing but it's all about personal preference.
flag dylanmacd
Posted: Mar 26, 2009 at 18:35 Quote
Wheel size multiplied by front sprocket teeth divided by rear cog teeth..
try to get the final number around 55

Exp. 20" x 25T= 500 divided by 9 = 55.55...
20" x 36T= 720 divided by 13= 55.38...

and a KMC 710 chain..will last long time
flag cinnamonride
Posted: Mar 27, 2009 at 7:16 Quote
9-25, get a shadow consparasy one, the half link.
flag f-it-bike-co
Posted: Mar 27, 2009 at 8:42 Quote
28-10

dude what a dumb question

"whats the best gear ratio" figure out yourself
flag ssr41
Posted: Mar 27, 2009 at 13:57 Quote
Well i counted mine it is 44 16 and it is ok. i just beed a chane.
flag flowbear
Posted: Mar 27, 2009 at 20:20 Quote
f-it-bike-co wrote:
28-10

dude what a dumb question

"whats the best gear ratio" figure out yourself

lol ftw!
flag eatdeeznutz
Posted: Nov 3, 2010 at 19:03 Quote
hey im thinking of single speeding my 2009 specialized p-2 chro mo and i was wondering what the best chainring/cog ratio would be. i do mostly dj and street so i want a smaller chainring for easier strait dropping into the bowl
flag robloveshiskona
Posted: Nov 4, 2010 at 5:05 Quote
Edit, didnt see the dates on the previous comment. Blank Stare

for bmx
23-9 if you are weak
25-9 is the norm
and if you enjoy going fast 28-9 is where is at tup


for 26 i think i run a 32-16? or some thing along those lines, its been a long time since that bike has seen any use though so im probably wrong. Blank Stare
flag jlobster
Posted: Nov 4, 2010 at 16:39 Quote
my ratio is brutal unless you like super quick acceleration, 25 and 11!
flag Kasperln
Posted: Nov 5, 2010 at 0:26 Quote
Run 28-9 faster is allways better!!! Big Grin
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