305mm wides or approx 12" 305=width(mm)-55=profile size (55%of width) -r20=the rim diameter(inches)
There is an R in the size right before the rim diameter. -ie R15 0r R20.
...............??....... NO
Of course you can.
For a 12.50 inch wide tire, the Tire & Rim Association approves a rim width range of 8 1/2 inches to 11 inches.
No. Sorry!
From 7.5" to 9.5".
it depends on the RIM but if you have stock then yes because the 70 is the tire wide. to my understanding. it depends on the RIM but if you have stock then yes because the 70 is the tire wide. to my understanding.
No, the 15" wheel must be wide enough the handle this very wide tire.
A 20" diameter x 12.50" wide rim.
Depends how wide your rim is and on what vehicle.
No, it will be unstable and unsafe.