A friend of mine has a Denali and he just installed these tires. They look great. They're BF Goodrich Rugged Terrain T/A.
According to the bf Goodrich site they dont make them in a 265/50/20 size. Is the closest tire to this in the 20 size the terra grappler?
Mineral Grey Summit with Saddle Date ordered: 02/01/2011 Arrived in Garage 04/11/2011 Current status: Delivered
275 is the width of the tire, in millimeters. The 50 part is an aspect ratio of the width of the tire to height of the tire.
Like 275 / 25.4 (millimeters in an inch) makes the tire 10.82" wide
now take that number and multiply it by the aspect ratio as a percent... 10.82" x .50 = 5.41". That's the height of the sidewall. So multiply that by 2 and add the rim size to get the overall height of the tire. 5.41 x 2 + 20 = 30.82" tall.
A 265/50/20 is 10.43" wide and 30.43" tall
A 275/50/20 is 10.82" wide and 30.82" tall.