| Size | Diameter | Width | Rim Range |
Measured Rim |
Tread Depth |
Load Range |
Max Load |
Max psi |
Max Speed |
Weight | Sidewall Letters |
Revs/Mile | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 255/55R20 110V XL BSW 680 A A |
30.9" | 10.7" | 7-9" | 8" | 10/32" | Extra Load | 2337 lbs | 50 psi | 149 mph | 34 lbs | Black | 673 | Show Specs |
The Hankook Dynapro HPX is a crossover and SUV all-season touring tire designed for comfortable highway driving, dependable wet and dry traction, and extended tread life. Its increased contact area helps distribute pressure evenly for more consistent wear and stable handling. Hankookâs 3D GripKontrol Sipes improve all-season grip and braking, while Knurling Technology and optimized multi-pitch sequencing help reduce road noise for a quieter, smoother ride.
The 255/55R20 Hankook Dynapro HPX has a diameter of 30.9", a width of 10.7", mounts on a 20" rim and has 673 revolutions per mile. It weighs 34 lbs, has a max load of 2337 lbs, a maximum air pressure of 50 psi, a tread depth of 10/32" and should be used on a rim width of 7-9".