Beware buying cheap rearsets.They may look very sexy but the ones I got are very cheap quality,lightweight aluminium and dont feel like anything. I got another set of fancy aftermarket ones in a job lot of ZXR bits. Damaged but a lot more substantial. In the end I bought a set off an old CBR. Very simple but solid and well made . A lot more confidence inspiring.
I welded 2 threaded bungs on either side of the frame to mount them on.
Cheap crappy ones;
More substantial fancy pants ones;
....and the winners are CBR set on welded bungs
Good luck