Tire size change

[Aardvark]

Looking to go from oem 235/50 R18 TX 97V to 255/45 R18 RX 97V

Anyone done this?
Any computer or speedo related issues to report?

 

[Aardvark]

Looking to go from oem 235/50 R18 TX 97V to 255/45 R18 RX 97V

Anyone done this?
Any computer or speedo related issues to report?

Oh, This is on a TourX

 

[MelsRegal]

Looking to go from oem 235/50 R18 TX 97V to 255/45 R18 RX 97V

Anyone done this?
Any computer or speedo related issues to report?

The 255 is .3" smaller in diameter which is only a 1.1 percent difference, no effect on speedo of significance. It is .7" wider.