Radfax Posted November 21, 2006 Report Share Posted November 21, 2006 Hey, I have been out of riding for a bout a year now and i am looking to get back into it, so i am all sorted ubt i am a bit stuck on cranks. i have a GU 20" frame but as it has no bash plate i have to fit a bash ring whch i have never done before. Last time i rode with a front freehwheel i needed a 127.5mm bb so that there is enough room for a FFW but now i will need to run a bash ring and a front freehweel as i cant afford a rear profile. The cranks i am thinking of running is a set of isis try all cranks so what size BB do i need because i really dont have enough for a £50 KO bikes one or the like!If the first idea works out to be to exspensive i may look at running a set of buns but i dont know what ratio to be running as i have always rode 18:12 so what gear ratio should i be looking to have if i was to run a pair of burns?Thanks Quote Link to comment Share on other sites More sharing options...
Broomer Posted November 21, 2006 Report Share Posted November 21, 2006 you want to run a pair of burns with a ffw? wont happen. Quote Link to comment Share on other sites More sharing options...
Radfax Posted November 21, 2006 Author Report Share Posted November 21, 2006 you want to run a pair of burns with a ffw? wont happen.Sorry i did not make it clear, i want to run a pair of try all cranks with a ring and ffw but i am not sure what BB length to run i thought 127.5 but my last bb of this length was a bit tight and that was withought a ring. If the above option runed out to exspensive then i wanted to rin a pair of burns with a REAR free wheel but i am not sure what ratio to run? Quote Link to comment Share on other sites More sharing options...
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