If you've never heard of it - 30r20 is this; 30 minutes to row as far as possible using only 20 strokes per minute (r20 - rate 20). You've 600 strokes (though you actually have a few more if you game it properly) to cover maximum meterage.11 Dec 2019
Tire Width Is the width of the tire measured in millimeters from sidewall to sidewall. The first three-digit number in the tire size refers to the tire width. For instance, in a size P215/65 R15 tire, the width is 215 millimeters.
How wide is 255 tire?
255 (Tire Width): The tire width is 255 millimeters from sidewall to sidewall (just over ten inches). 45 (Aspect Ratio): The tire's sidewall is 45% of the tire's width, which means the sidewall is about 114 millimeters or just over 4 inches.14 Jun 2021
How wide is a 265 30R20 tire?
265/30R20 tires have a diameter of 26.3", a section width of 10.4", and a wheel diameter of 20". The circumference is 82.5" and they have 768 revolutions per mile.
How wide is a 265 tire?
10.4″
How wide is a 245 30R20?
245/30R20 tires have a diameter of 25.8", a section width of 9.6", and a wheel diameter of 20".
How tall is a 345 tire?
345/30R19 tires have a diameter of 27.1", a section width of 13.6", and a wheel diameter of 19". The circumference is 85.2" and they have 743 revolutions per mile. Generally they are approved to be mounted on 11.5-12.5" wide wheels.