Kumho Ecsta Sport - 255/35R21
Ecsta Sport 255/35R21 Tire Specs
| Size | Diameter | Width | Rim Range |
Measured Rim |
Tread Depth |
Load Range |
Max Load |
Max psi |
Max Speed |
Weight | Sidewall Letters |
Revs/Mile | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 255/35R21 98Y XL BSW 320 AA A |
28" | 10.2" | 8.5-10" | 9" | 9.4/32" | Extra Load | 1653 lbs | 50 psi | 186 mph | 26 lbs | Black | 720 | Show Specs |
(Last Checked 10/16/25)
The Kumho Ecsta Sport is a summer, ultra-high-performance tire built for sharp handling and confident control in warm conditions. It delivers strong grip on dry and wet roads, with responsive steering that enhances driving precision at higher speeds. Designed for performance cars and sport sedans, the Ecsta Sport features a specialized tread compound and asymmetric pattern for balanced cornering and stability. Its focus on feedback and traction makes it a solid choice for drivers who value dynamic, spirited performance on the road.
The 255/35R21 Kumho Ecsta Sport has a diameter of 28", a width of 10.2", mounts on a 21" rim and has 720 revolutions per mile. It weighs 26 lbs, has a max load of 1653 lbs, a maximum air pressure of 50 psi, a tread depth of 9.4/32" and should be used on a rim width of 8.5-10".
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