Kumho Ecsta Sport S - 275/35R21
Ecsta Sport S 275/35R21 Tire Specs
| Size | Diameter | Width | Rim Range |
Measured Rim |
Tread Depth |
Load Range |
Max Load |
Max psi |
Max Speed |
Weight | Sidewall Letters |
Revs/Mile | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 275/35ZR21 103Y XL BSW 260 AA A |
28.5" | 10.9" | 9-11" | 9.5" | 8.9/32" | Extra Load | 1929 lbs | 50 psi | 186 mph | 30 lbs | Black | 707 | Show Specs |
(Last Checked 10/11/25)
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$349.44
The Kumho Ecsta Sport S is a summer tire engineered for maximum grip and high-speed precision. It delivers a supreme-performance razor-sharp steering response, powerful cornering stability, and confident braking for drivers who push their vehicles to the limit. With its advanced rubber compound and track-inspired tread design, the Ecsta Sport S provides consistent traction and heat control under demanding conditions. It’s tailored for sports cars and performance sedans that demand the highest level of control and feedback during aggressive driving.
The 275/35R21 Kumho Ecsta Sport S has a diameter of 28.5", a width of 10.9", mounts on a 21" rim and has 707 revolutions per mile. It weighs 30 lbs, has a max load of 1929 lbs, a maximum air pressure of 50 psi, a tread depth of 8.9/32" and should be used on a rim width of 9-11".
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