Ben-Shogun gimp Posted March 9, 2009 Report Share Posted March 9, 2009 hi,my mate has a 18 tooth free wheel on the front and a 12 tooth sproket on the back... i want to put a 18 on front and a 14 on the back will this give me more power or will i be peddling like a maniac to go a yard???need helpthanksBen x Quote Link to comment Share on other sites More sharing options...
siyross Posted March 9, 2009 Report Share Posted March 9, 2009 you will be peddaling pretty fast with that combo.I run a 22 up front and an 18 down the back and that seems ok Quote Link to comment Share on other sites More sharing options...
sam singlehurst Posted March 9, 2009 Report Share Posted March 9, 2009 Hello The standered gearing for trials is, 22 front 18 rear.But most people who run a 18 tooth front, go with 15 or 16 tooth rear. This means you will be peddling like mad over a distance but, this you get the short bursts of speed for trials.im shur i will be corected if im rong hope this helps Quote Link to comment Share on other sites More sharing options...
George.E Posted March 9, 2009 Report Share Posted March 9, 2009 You want 18t on the front and 12t on the back I run this on my mod and is really nice 18 - 14 will make you pedaling way way to fast.Just my opinion.Hope this helps Quote Link to comment Share on other sites More sharing options...
sam singlehurst Posted March 9, 2009 Report Share Posted March 9, 2009 Ah right, yer i didnt realise it was for a mod.dont no enything bout mods rely. I would of thort 12 or 13 on a mod. Quote Link to comment Share on other sites More sharing options...
A.Baxter Posted March 9, 2009 Report Share Posted March 9, 2009 Mod standard gearing is 18 tooth freewheel on front, and 12 tooth sprocket round back, run that and you will be fine Adam Quote Link to comment Share on other sites More sharing options...
Dave! Posted March 9, 2009 Report Share Posted March 9, 2009 As always with these types of things its personal preferance.But the simple way to work out whats right for you is to apply some maths to the issue...for example 18 divide 12 = 1.5.so for every turn of the cranks the wheel will turn 1.5 times....so if you want more wheel turn put less teeth on the rear and more on the front.But like I say its down to personal preferance and how you ride.hope this helps some how Quote Link to comment Share on other sites More sharing options...
Ben-Shogun gimp Posted March 10, 2009 Author Report Share Posted March 10, 2009 Thanks guys.really alot of help there especialy the maths reply, now gear ratio makes perfect sensethanksbenx Quote Link to comment Share on other sites More sharing options...
nickdonboy Posted March 10, 2009 Report Share Posted March 10, 2009 18:12 best ratio most mod riders use that ratio anyway.. nick Quote Link to comment Share on other sites More sharing options...
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