stock rims

Hi i have a 03 450 excr been looking at getting road tyres for stock rims at the moment its on mx tyres 120 90 18 r 90 90 21 f Ive found replacement road tyres that are 90/90-21f & 130/80-18r Im not 100% that the 130 will fit the stock rim / rear swing arm without rubbing? any1 got any ideas on...