ok heres another trick im gona share .. take ur rims off ur bike u can keep ur tires on now lay them down flat on the ground get an old set or new set of playing cards and use them place them in the lip of ur rim where ur tire meets go all the way around and then spray no over spray anywhere on the tires done right and clean quick an easy .. and a pic to give u an idea even though these are car rims ull get the idea and if the pic didnt work heres a link for a site with pics for u to see .. may have to scroll down butt there in there
Painting Alloy Rims - JeepForum.com
Painting Alloy Rims - JeepForum.com