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Arroyo
Arroyo Grand Sport AS 285/35ZR21
Arroyo Grand Sport AS 285/35ZR21
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Arroyo
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/week
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Width:
21.00
(in)
Height:
11.22
(in)
Depth:
21.00
(in)
SKU:
AGS118
$227.00
Lease-to-own for as low as
/week
Get Started
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Arroyo Grand Sport AS 285/35ZR21
$227.00
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Out of stock
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Looking for a 285/35R21 passenger tire? The Arroyo Grand Sport AS is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 285/35R21 means
In the size 285/35R21, 285 is the section width in millimeters (11.22 in), 35 is the aspect ratio β the sidewall stands 35% as tall as the tire is wide, or 99.8 mm (3.93 in) β R denotes radial construction, and 21 is the wheel diameter in inches. That works out to an overall diameter of about 28.85 inches, turning roughly 699 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it β not just the width β against your current tire.
The manufacturer lists the overall diameter of this specific tire as 21 inches β when clearance is tight, go by the published figure rather than the nominal size math.
The service description on this tire decodes to a load index of 108 β a maximum load of 2,205 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.
Specifications
| Size | 285/35ZR21 |
| Tire Type | Passenger |
| Service Description | 108Y |
| Load Index | 108 |
| Speed Rating | Y |
| Load Range | XL |
| Section Width (mm) | 285 |
| Aspect Ratio | 35 |
| Overall Diameter (in) | 21 |
| Treadwear | 500 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 500 A A |
Frequently asked questions
What kind of tire is the Arroyo Grand Sport AS?
The Arroyo Grand Sport AS in 285/35R21 is a passenger tire.
What are the treadwear and warranty ratings on the Arroyo Grand Sport AS?
This tire carries a treadwear grade of 500, traction grade A, temperature grade A under UTQG.
What does 108Y mean on the Arroyo Grand Sport AS?
108Y breaks down as load index 108 β rated for 2,205 lbs per tire β with a Y speed rating, good for a maximum sustained 186 mph.
Keep shopping
See every Arroyo Grand Sport AS size, or view all tires at ThreePiece.us.
- BRAND:
- Arroyo
- Model:
- Grand Sport AS
- Size:
- 285/35ZR21
- Aspect Ratio:
- 35
- Load Index:
- 108
- Load Range:
- XL
- Section Width:
- 285
- Service Description:
- 108Y
- Speed Index:
- Y
- Temperature:
- A
- Tire Rim Diameter:
- 21
- Tire Type:
- Passenger
- Traction:
- A
- Tread Wear:
- 500
- Max Load (LB):
- N/A
- UQTG:
- 500 A A
- Side Wall:
- BSW
- Warranty:
- N/A
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