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Continental
Continental ProContact RX 325/30R21XL 108V - 15575120000
Continental ProContact RX 325/30R21XL 108V - 15575120000
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Shop the Continental ProContact RX 325/30R21 at ThreePiece.us β free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 325/30R21 means
In the size 325/30R21, 325 is the section width in millimeters (12.80 in), 30 is the aspect ratio β the sidewall stands 30% as tall as the tire is wide, or 97.5 mm (3.84 in) β R denotes radial construction, and 21 is the wheel diameter in inches. That works out to an overall diameter of about 28.68 inches, turning roughly 703 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 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 V corresponds to a maximum sustained speed of 149 mph.
Specifications
| Size | 325/30R21XL |
| Tire Type | All Season |
| Service Description | 108V |
| Load Index | 108 |
| Speed Rating | V |
| Load Range | XL |
| Section Width (mm) | 325 |
| Aspect Ratio | 30 |
| Overall Diameter (in) | 28.68 |
| Tread Depth (/32") | 9 |
| Treadwear | 400 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 400AA |
| Warranty | 45K |
Frequently asked questions
What are the treadwear and warranty ratings on the Continental ProContact RX?
This tire carries a treadwear grade of 400, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 45K.
What does 108V mean on the Continental ProContact RX?
108V breaks down as load index 108 β rated for 2,205 lbs per tire β with a V speed rating, good for a maximum sustained 149 mph.
What kind of tire is the Continental ProContact RX?
The Continental ProContact RX in 325/30R21 is a all season tire.
Keep shopping
Browse Continental tires, see every Continental ProContact RX size, or view all tires at ThreePiece.us.
- BRAND:
- Continental
- Model:
- ProContact RX
- Size:
- 325/30R21XL
- Aspect Ratio:
- 30
- Load Index:
- 108
- Load Range:
- XL
- Section Width:
- 325
- Service Description:
- 108V
- Speed Index:
- V
- Temperature:
- A
- Tire Rim Diameter:
- 28.68
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 400
- Tread Depth:
- 9
- UQTG:
- 400AA
- Warranty:
- 45K
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