Originally Posted by sgtp Ive never done it yet and want to swap out the rollers soon. let us know how things go. Yea I got an impact driver off my mate, a smack with a hammer job, and it did exactly what it was supposed to do which is awesome. One thing to watch out for though is that I got caught out by not having a long enough socket. make sure you have a long reach socket as the crank shaft extends out quite a long way. after you get that off it's a piece of piss, everything slides off nicely.