edouard Posted September 22, 2008 Report Share Posted September 22, 2008 (edited) Hello There I own a 315 R probably 99 or 2000. I believe it is too high geared, I can reach 95 Kph on a flat road... Rear sprocket is 40 teeth, could someone confirm (or not) this figure Thanks a lot E Edited September 22, 2008 by Edouard Quote Link to comment Share on other sites More sharing options...
penno350 Posted September 22, 2008 Report Share Posted September 22, 2008 40 on the rear is probably ok. It's more likely what's on the gearbox sprocket that sdriving your gearing up. When I got my 315 it had been used as a trail bike and had a 12 tooth gearbox sprocket, I think the standard was 10T but I've fitted a 9T which for me makes the first three gears a lot more useable in a trial. Quote Link to comment Share on other sites More sharing options...
tt5th Posted September 22, 2008 Report Share Posted September 22, 2008 10 - 40 is standard. 9 - 40 is better for me in trials. 5th gear is a big jump from 4th though, obviously made for road work i would say. Quote Link to comment Share on other sites More sharing options...
edouard Posted October 12, 2008 Author Report Share Posted October 12, 2008 Hi there I thought this forum was supposed to email me when I get an answer... Again I missed all replies. I have made my choice for a 43, since I do not know (bike is in France) what the front sprocket is. Any particular brand (Apico, Tryall, Jitsie ?) someone can recommand ? Will try to get a 10 and a 9 as well for the front anyway. Thanks again for your help Cheers E Quote Link to comment Share on other sites More sharing options...
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