Wheel & Tire Plus-Sizing

What is Plus Sizing?

The installation of larger diameter wheels with lower profile tires to vastly Improve and enhance the handling, performance, and appearance of one’s vehicle. With the correct application, plus sizing will enhance the performance of any vehicle. The lower aspect ratio (shorter sidewall) and increased contact patch (wider footprint) result in improved overall handling and appearance. Staying close as possible to the original tires overall diameter maintains the vehicles computer settings, this is essential for correct speedometer, ABS, traction control, automatic transmission, and other computer controlled operations of today’s modern vehicles.


Plus Zero
Increase the section width and lower the aspect ratio while retaining the wheel diameter. This replacement tire increases the contact area and lowers the tread profile for improved traction and quicker response.

Plus One
This sizing mounts tires with an increased section width and a lower aspect ratio on wheels of a larger diameter. A plus one fitment for a car with 16-inch original equipment wheels would be 16-inch wheels.

As a general rule of thumb, plus one sizing: 
Increases section width by 10 millimeters
Decreases aspect ratio by 10 points
Increases rim diameter by 1 inch

Plus Two
Increased wheel widths in plus sizing also contribute to greater tire stability and improved cornering and maneuverability. A plus two fitment for a car with 16-inch original equipment wheels would be 18-inch wheels.

As a general rule of thumb, plus two sizing:
Increases section width by 20 millimeters
Decreases aspect ratio by 20 points.
Increases rim diameter by 2 inch.

RENT A WHEEL  |  RENT A TIRE
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