Eagle F1 Supersport
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Specifications
| Size | 275/35ZRF21 XL Eagle F1 Supersport Run Flat |
|---|---|
| Width | 275 mm |
| Aspect ratio | 35 |
| Rim diameter | R21 |
| Load index | 103 |
| Speed rating | (Y) |
| Load range | XL |
| Season | Summer |
|---|---|
| UTQG | 240 AA A |
| Tread depth | 9/32" |
| Weight | 21.58 lbs |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Goodyear Eagle F1 Supersport
Summer Ultra High Performance Passenger Car tire.
Features
* Innovative U-shaped compound* Power shoulder technology* Powerline cover* Super-stiff sidewall design* Goodyear 60-Day Satisfaction Guarantee
Benefits
* Creates specialist power zones to improve wet and dry performance* Tire shoulders feature more rubber and less cutaway tread than conventional rivals which maximises contact with the tarmac* High-speed stability is improved by using materials that resist deformation where the rubber meets the road* Increases the direction connection from steering wheel to road surface for boosted performance
Understanding the 275/35ZRF21 XL size
In the size code 275/35R21, 275 is the section width in millimetres (about 10.8"). 35 is the aspect ratio — the sidewall height is 35% of the width, or roughly 96.3 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 28.6".
The load index 103 means each tire supports up to 1,929 lbs — about 7,716 lbs across a full set of four. The speed symbol Y certifies the tire to 186 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.
What the Goodyear Eagle F1 Supersport is built for
The Goodyear Eagle F1 Supersport is a summer tire, tuned for maximum dry and wet grip in warm conditions; it is not intended for near-freezing temperatures. Fitment category: Passenger Car, CAR, Performance, UHP.
Tread life and grip ratings
This tire carries a UTQG rating of 240 AA A. The treadwear grade of 240 is a relative durability score — a grade of 200 is expected to last roughly twice as long as a grade of 100 under the same controlled test. Traction grade AA measures straight-line wet stopping grip (AA is highest, then A, B and C). Temperature grade A reflects heat resistance at sustained speed (A is highest).
Price and value
At $449.24 per tire, a full set of four costs $1796.96. That is about 17% above the average of the 72 tires we stock in this size, reflecting its position in the range.
Frequently asked questions
What does the tire size 275/35R21 mean?
275 is the section width in millimetres, 35 is the aspect ratio (sidewall height as a percentage of width, about 96.3 mm), and R21 indicates radial construction for a 21-inch wheel. Overall diameter is approximately 28.6 inches.
What are the load and speed ratings of the Goodyear Eagle F1 Supersport 275/35ZRF21 XL?
Its load index of 103 allows up to 1,929 lbs per tire. Its speed rating of Y is certified to 186 mph. Check your door-jamb placard and do not fit a tire rated below the vehicle's requirement.
How much does a set of 4 Goodyear Eagle F1 Supersport 275/35ZRF21 XL tires cost?
A single tire is $449.24 and a set of four is $1796.96.
Can the Goodyear Eagle F1 Supersport be used in winter?
No. This is a summer tire and it is not rated for severe snow service. Its compound stiffens as temperatures approach freezing, so fit winter or all-weather tires for cold-season driving.
Does the Eagle F1 Supersport come in other sizes?
Yes — we stock 44 additional Eagle F1 Supersport sizes besides 275/35ZRF21 XL. Fit only a size approved for your vehicle.