Been offered a set of spoked wheels for a 1200 gs £500 (uk) tyres but no disc's need to know if it's a good price as not seen many for sale
Around $500 to $600 here for the rear. Don't forget that you will need 1 ABS ring for the front and 1 for the rear ( if you have ABS ) and the disks, 2 front and 1 rear. Moving the disk and ABS rings back and forth is no big deal. I have a spare rear setup for my GS for TKC 80's.