Realators suck. and thats my bike in the pic them are marvin shaws. when i had shaws on my stock bike i took shocks off and put bike jack under frame lower it till you get the height you want and measure eye to eye. i ran a stock swinger and a laegers +4 both using the link setup and it worked fine. Pretty sure i used 12 1/2-13"comp on back and the ones on my bike now on front are 13" (i think) comps they worked with stock a arms too.