Rear tyre is 120/70/17 with 5.5inch rim, it's a front tyre off any cbr1000,r1 etc. No rubbing issues as I widend rear guard , snd fits in swingarm pretty easy , supercharger is an amr300 cut in half , amr 500 way to big ! At 1:1 ratio my now amr150 pumps 9psi into the donk ! Runs now just needs...