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Cooper
Cooper ProControl 235/55R18XL 104V - 166480021
Cooper ProControl 235/55R18XL 104V - 166480021
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The Cooper ProControl in 235/55R18 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 235/55R18 means
In the size 235/55R18, 235 is the section width in millimeters (9.25 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 129.2 mm (5.09 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 28.18 inches, turning roughly 716 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.
The service description on this tire decodes to a load index of 104 — a maximum load of 1,984 lbs per tire. The speed symbol V corresponds to a maximum sustained speed of 149 mph.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 235/55R18XL |
| Tire Type | All Season |
| Service Description | 104V |
| Load Index | 104 |
| Speed Rating | V |
| Load Range | Extra Load |
| Section Width (mm) | 235 |
| Aspect Ratio | 55 |
| Overall Diameter (in) | 28.15 |
| Tread Depth (/32") | 11 |
| Warranty | 70K |
Frequently asked questions
What does 104V mean on the Cooper ProControl?
104V breaks down as load index 104 — rated for 1,984 lbs per tire — with a V speed rating, good for a maximum sustained 149 mph.
What kind of tire is the Cooper ProControl?
The Cooper ProControl in 235/55R18 is a all season tire.
What warranty does the Cooper ProControl carry?
The manufacturer's warranty on this tire is 70K.
Keep shopping
Shop all 235/55R18 tires, browse Cooper tires, see every Cooper ProControl size, or view all tires at ThreePiece.us.
- BRAND:
- Cooper
- Model:
- ProControl
- Size:
- 235/55R18XL
- Aspect Ratio:
- 55
- Load Index:
- 104
- Load Range:
- Extra Load
- Section Width:
- 235
- Service Description:
- 104V
- Speed Index:
- V
- Tire Rim Diameter:
- 28.15
- Tire Type:
- All Season
- Tread Depth:
- 11
- Warranty:
- 70K
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