Michelin Pilot Sport All Season 4 - 255/40R21
Pilot Sport All Season 4 255/40R21 Tire Specs
| Size | Diameter | Width | Rim Range |
Measured Rim |
Tread Depth |
Load Range |
Max Load |
Max psi |
Max Speed |
Weight | Sidewall Letters |
Revs/Mile | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 255/40ZR21 102Y XL BSW 540 AA A |
29" | 10.2" | 8.5-10" | 9" | 10/32" | Extra Load | 1874 lbs | 50 psi | 186 mph | 28 lbs | Black | 717 | Show Specs |
(Last Checked 12/13/24)
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Use Code: TIRESIZE8
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The Michelin Pilot Sport All Season 4 is an ultra high performance tire developed on the track and proven on the street. It has an asymmetric tread pattern that ensures even heat and traction distribution for a long tread life while providing more outer shoulder lateral grip and maximum levels of silica to stick to the pavement. Full depth sipes improve the Pilot Sport All Season 4's traction in wet and snowy condition and helped it become the first ever all-season tire chosen by Chevrolet for the Corvette.
The 255/40R21 Michelin Pilot Sport All Season 4 has a diameter of 29", a width of 10.2", mounts on a 21" rim and has 717 revolutions per mile. It weighs 28 lbs, has a max load of 1874 lbs, a maximum air pressure of 50 psi, a tread depth of 10/32" and should be used on a rim width of 8.5-10".
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