fatty r Posted November 5, 2008 Report Share Posted November 5, 2008 yo was wondering how meany teeth would be a good size for dirt jump getting a 24 inch dirt jump bike not had one before any advice welcome Quote Link to comment Share on other sites More sharing options...
Luke Rainbird Posted November 5, 2008 Report Share Posted November 5, 2008 It would depend entirely on what you were planning on running at the back, as it's the ratio between the two that matters (for example, 20:18 would give a lower gearing than 40:30 despite using a significantly smaller chainring)I used to run 32:16 for a while on an all round 26" rig, perhaps 36:16 or something similar might suit youTry and get on a few bikes and get a feel for what you like, and see what setup that's on Quote Link to comment Share on other sites More sharing options...
fatty r Posted November 5, 2008 Author Report Share Posted November 5, 2008 theres no dirt jumpers where i live noone is into bikes im the only trials rider as well also do you think race face cranks would be ok to ride on a dirt jump bike Quote Link to comment Share on other sites More sharing options...
tom jarvis Posted November 5, 2008 Report Share Posted November 5, 2008 hello there i got a dirt jumper and im running on onza t brid cranks 24T and a 15T cog on the rear the Ratio You want depends on how u ride do you want speed or a good wheelie gear or what evere the best thing to do is have a buzz on the internet hope that has helped matey Quote Link to comment Share on other sites More sharing options...
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