| Size | Diameter | Width | Rim Range | Measured Rim | Tread Depth | Load Range | Max Load | Max psi | Max Speed | Weight | Sidewall Letters | Revs/Mile | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 245/40ZR20 99Y XL BSW 260 AA A | 27.7" | 9.8" | 8-9.5" | 8.5" | 9.5/32" | Extra Load | 1709 lbs | 50 psi | 186 mph | 28 lbs | Black | 750 | Show Specs | 
The Kumho Ecsta PS91 is developed for the supercar enthusiast. It delivers wet and dry handling performance at high speeds with its compounded rib tread design. The C-Cut 3D design enhances block stiffness, providing optimum braking performance and stability. The Ecsta PS91 has a dimple tread design that helps reduce heat build up, in turn providing maximum block durability.
The 245/40R20 Kumho Ecsta PS91 has a diameter of 27.7", a width of 9.8", mounts on a 20" rim and has 750 revolutions per mile. It weighs 28 lbs, has a max load of 1709 lbs, a maximum air pressure of 50 psi, a tread depth of 9.5/32" and should be used on a rim width of 8-9.5".