My dremel has the flexshaft with hand piece so tight spots aren't a problem.
Will try chisel method first then see what happens.
As for re installing I'm leaning towards the smoother decal under lots of clear coat look but if I reuse it I will let the frame finisher handle it. Im sure they have a set up already for these types of rivets.
I would probably let them remove it but I want to strip the frame down to the bare chrome myself.
Thanks for all the suggestions, Don.