squeaky

i got 15 front and 46 rear on gixer now gonna go 14 front and 48 rear.. but i dunno what chain i got ie 520 or 525....have looked on cain and sprockets and its says something like jtr 499 - 46.... i know 46 is amount of teeth but not sure bout pitch.... just found out that i should have a 520 chain on it but dunno.

what u think
cheers
ian