My R1200GS 2012 came with Metzeler Tourance EXP tyres. 110/80 R19 (front) and 150/70 R17 (rear)
2013 models are size 120/70 R19 front and 170/60 R17 rear.
Can I use the newer model tyre (is there a benefit?) or should I stick the OEM size for a specific reason?

2013 models are size 120/70 R19 front and 170/60 R17 rear.
Can I use the newer model tyre (is there a benefit?) or should I stick the OEM size for a specific reason?