Mvasques

Hello guys! First post here, im in kind of a pickle... Need a new rear wheel for my dragstar 650 /97 , but it's been hard to come by one. i just found a XVS 125 rear rim for sale locally ( by locally i mean in my country lol) , but im unsure if they match, is an R15 the same as mine, but are they the same ? Should i buy it or no ? Thank you in advance!