Urpedigreechumdog Posted February 20, 2005 Report Share Posted February 20, 2005 The gear ratio thingys i have checked before writing this didn't work so here it goes... I have a 22/18 set up on my stock and it's pretty much perfect but when my mod is 100% i want a similar ratio, maybe slightly harder, is 18/12 ok or will i need 18/13 Thanks in advance Nick Quote Link to comment Share on other sites More sharing options...
Michael Hardman Posted February 20, 2005 Report Share Posted February 20, 2005 18:12 is a better choice as it is slightly harder and when you take into account the small wheels it will feel alot easier. The ratios may be closer with 18:13 to your stock setup but small wheels make ratios feel easier. 18:12 Quote Link to comment Share on other sites More sharing options...
planetXstar Posted February 20, 2005 Report Share Posted February 20, 2005 The gear ratio thingys i have checked before writing this didn't work so here it goes... I have a 22/18 set up on my stock and it's pretty much perfect but when my mod is 100% i want a similar ratio, maybe slightly harder, is 18/12 ok or will i need 18/13 Thanks in advance Nick ← the proper way to work them out is to devide the front ring with the rear cog :P" e.g. 22/18=1.22 so going by that 18/15 would be as close to what u have now as possible but as Michael Hardman said it will feel alot easer than the stock because the wheels are smaller :closedeyes: !!!!! hope this helps :- Quote Link to comment Share on other sites More sharing options...
Urpedigreechumdog Posted February 20, 2005 Author Report Share Posted February 20, 2005 (edited) the proper way to work them out is to devide the front ring with the rear cog :P" e.g. 22/18=1.22 so going by that 18/15 would be as close to what u have now as possible but as Michael Hardman said it will feel alot easer than the stock because the wheels are smaller :closedeyes: !!!!! hope this helps :- ← Doesn't really help sorry, cos you have to take into account the change in wheel size, i wanted advise from someone with experience. If i was changing my front cog on my stock to 18 then yes, you would be right, i would want a 15 on the rear but this is not the case... Edit: just read the second half of your post, you were partially right :"> Edited February 20, 2005 by Urpedigreechumdog Quote Link to comment Share on other sites More sharing options...
cultiv8ed ::Chris:: Posted February 20, 2005 Report Share Posted February 20, 2005 the proper way to work it out so you can tell the differene between 26" gear ratio and 20" wheels is simple. the size of the wheel x the number of teeth on the front cog divided by the number on the back :closedeyes: Quote Link to comment Share on other sites More sharing options...
dave85 Posted February 20, 2005 Report Share Posted February 20, 2005 Development: 22/18 * (26*Pi) = 99.78 inches then : 18/12 * (20*Pi) = 94.20 inches (easier) 20/12 * (20*Pi) = 104.67 inches (harder) 20/13 * (20*Pi) = 96.62 inches (easier) 22/14 * (20*Pi) = 98.69 inches (about as close as you're gonna get :- ) Helped me when i was picking gears :closedeyes: Quote Link to comment Share on other sites More sharing options...
TomN Posted February 20, 2005 Report Share Posted February 20, 2005 My mate got a BMX Cassette hub on his Mod which came with a 13T cog and he has 18T on front and it feels really nice. When I had a Mod I had 16/12 wasn't that good. Quote Link to comment Share on other sites More sharing options...
Urpedigreechumdog Posted February 20, 2005 Author Report Share Posted February 20, 2005 Development: 22/18 * (26*Pi) = 99.78 inches then : 18/12 * (20*Pi) = 94.20 inches (easier) 20/12 * (20*Pi) = 104.67 inches (harder) 20/13 * (20*Pi) = 96.62 inches (easier) 22/14 * (20*Pi) = 98.69 inches (about as close as you're gonna get :P ) Helped me when i was picking gears :closedeyes: ← Cheers, btw i have sent your money for the bolts :- Quote Link to comment Share on other sites More sharing options...
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