nice link nuttysquirrls, they should print that out and put it in the HOG handbook LOL. to clarifiy from the other posts, according to the calculator, i should move my front axle out two inches and up one inch. gives me 4.26??? every road where i live is a canyon or a like it, i wanna be able to haul ass in corners(for a chop), but not die on the straights at 90mph. thanks for the help, with my bobbers rake/trail is sort of not a problem....cheers