Just Installed an Rk Q/A KIt on my bike last night,( 520 chain,Vortex aluminum rear, and gold cromoly front, 1 tooth down)
Nice! , shifts a little easier but a little high reving in 6th at 55-70 mph. but a lot more punch down low
I think I need to re-adjust my chain tension (a little to slack)
Only thing though ( chain is master link with a clip - no rivet)
bike is only a 599cc, I guess it doesn't really matter.
Anyone else try this Kit?