| Size | Diameter | Width | Rim Range  | 
Measured Rim  | 
Tread Depth  | 
Load Range  | 
Max Load  | 
Max psi  | 
Max Speed  | 
Weight | Sidewall Letters  | 
Revs/Mile | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 255/40R20 101Y XL BSW 240 A A  | 
28" | 10.2" | 8.5-10" | 9" | 9.2/32" | Extra Load | 1819 lbs | 50 psi | 186 mph | 28 lbs | Black | 743 | Show Specs | 
The Bridgestone Potenza S007A is an Ultimate Performance Summer tire developed for the drivers looking for track-level performance out of there summer tires. It has a straight-rib and low-void asymmetric tread pattern for maximum contact with the road provided increased stability and steering response at high speeds. With chambered and multi sized tread blocks the Potenza S007A has a flatter contact surface to decrease stopping distances and circumferential grooves for water evacuation in wet weather conditions.
The 255/40R20 Bridgestone Potenza S007A has a diameter of 28", a width of 10.2", mounts on a 20" rim and has 743 revolutions per mile. It weighs 28 lbs, has a max load of 1819 lbs, a maximum air pressure of 50 psi, a tread depth of 9.2/32" and should be used on a rim width of 8.5-10".