Josh - Sarge Posted April 5, 2011 Report Share Posted April 5, 2011 Hi. I currently have really heavy bike and my m8s got a lovely ZHI z3r which ive fallen in love with. I went to buy it from him today but my cranks wouldnt fit on it. I have Truvativ Hussefelt Howitzer cranks. He has the standard BB which came with his bike. When we put on the crank arm with the sprocket it caught on the frame. Is there anyway I could remove his axel and replace it with a longer one in the BB so the cranks miss the frame? Or is there any other way I can get it to work ??? Any help would be great thanks Josh Quote Link to comment Share on other sites More sharing options...
J.KYDD Posted April 5, 2011 Report Share Posted April 5, 2011 (edited) No because you'd never get a reasonable chainline Modern trials bikes are designed to run a maximum of a 22t, and even that can be too many with some frames. Most bikes run an 18t front sproket. You are most probably going to have to get some new cranks Edited April 5, 2011 by kyddie Quote Link to comment Share on other sites More sharing options...
Scott Gibbs Posted April 5, 2011 Report Share Posted April 5, 2011 All those newer frames are designed for 18-15 gearing. So you will probably need new cranks. Quote Link to comment Share on other sites More sharing options...
sstein Posted April 5, 2011 Report Share Posted April 5, 2011 what size chainring you using? what bb is it? the howitzer bb does come in up to a 56mm chainline which should be enough, however the standard 50/51mm chainline bbs will not be Quote Link to comment Share on other sites More sharing options...
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