not to sure what size i'll need to buy ive been reading around and i don't really know what to look for i havent read anything about certian specs i will be needing. all i know is the old one had a thread on it, ive read on here that a unthearded one could work but i dont know whats size i'd need. some people said that it would be easyier to keep the old one on but i dont have it, all i have is one of the bits thats screw into the frame and thats stuck on.
not to sure what size i'll need to buy ive been reading around and i don't really know what to look for i havent read anything about certian specs i will be needing. all i know is the old one had a thread on it, ive read on here that a unthearded one could work but i dont know whats size i'd need. some people said that it would be easyier to keep the old one on but i dont have it, all i have is one of the bits thats screw into the frame and thats stuck on.
bike looks alot like this just different colours