Question about tire size

[armymp1130]

Im going to be getting 20x12’s soon and i want the ridge grapplers and ill have a 2.5” motofab so my question is i have the factory 18’s with the crappy goodyears on and they are a 32.1” tire should i go with the 305/50r20 grapplers since they measure 32.1? or the 305/55r20 ones?

 

[GRAYWOLF]

Are you going to reprogram the speedo?

Here is a comparison 305-50 is the first column 305-55 is the second colum

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[armymp1130]

probably not thats why i was thinking of going with the 305/50 but was just wondering what everyones opinion would be

 

[armymp1130]

Are you going to reprogram the speedo?

Here is a comparison 305-50 is the first column 305-55 is the second colum

Sent from my SM-G965U using Tapatalk

probably not thats why i was thinking of going with the 305/50 but was just wondering what everyones opinion would be