check your lugnuts...the shit is probaly loose because you didnt torque your new rims on....naw..just kidding...it balancing issue and nothing more

AS I STATED IN 1,000 POSTS....ALIGNMENTS WILL NOT CAUSE SHAKING. TELL ME HOW IT DOES??? IF A CAR SHAKES...AN ALIGNMENT ...AND ONLY AN ALIGNMENT...WILL NOT RESOLVE THAT ISSUE.