CUSTOMIZING

High Performance Wheels
If you're opting for high-performance tires, you'll probably want to include some new wheels to enhance both appearance and performance. To assure the right fit, you'll need to make sure that you've got the proper replacement wheel size, dimension and load-carrying capacity.


Wide Rims
Increase your vehicle's stability, steering response and cornering capability. A Yokohama quick tip—use a rim width which is 90% as wide as the tread width of a performance tire for street driving. This will provide a good balance between performance and ride quality.


Narrow Rims
Result in an improvement in ride quality, but may sacrifice some of the tire's ultimate performance capability.


Mid-Range Rim Widths
Provide a balance between handling capabilities and ride quality. The wheel's width influences handling and ride quality. Always choose a rim width within the range of the tire's acceptable rim width specification.


Warning!
Never attempt to mix millimetric wheels and tires with standard inch rim wheels and tires. Always replace a tire on a rim with another tire of exactly the same rim diameter designation and suffix letters. For example: A 16" tire goes with a 16" rim. Never mount a 16" size diameter tire on a 16.5" rim. While it is possible to pass a 16" diameter tire over the lip of flange of a 16.5" size diameter rim, it can't be inflated enough to position itself against the rim flange. If an attempt is made to seat the tire bead by inflating, the tire bead will break with explosive force and could cause serious injury or death.


Wheel backspace and offset are two measurements which play an important role in determining proper fitment between the tire and wheel.


Wheel Backspace
This is the distance from the back edge of the wheel to the hub mounting surface. To determine the wheel backspace:
  • Position the wheel face down.
  • Lay a straight-edge across the back of the wheel.
  • Measure the distance from the straight-edge to the wheel's hub mounting surface.


Wheel offset
The wheel's offset is the distance from its hub mounting surface to the centerline of the wheel. To determine wheel offset:
  • Position the wheel on a flat surface and measure its overall width.
  • Divide the overall width by two, then subtract this result from the backspace value.

Offset = Backspace - (Rim Width ÷ 2)

The offset of a wheel can be one of the following three settings:

Zero offset:
The hub mounting surface is even with the centerline of the wheel.

Positive offset:
The hub mounting surface is toward the front or wheel side of the wheel. Positive offset wheels are generally found on front-wheel drive cars.

Negative offset:
The hub mounting surface is toward the back or brake side of the wheel's centerline. "Deep dish" wheels are typically negative offset.


Tire Care & Safety

Reading Your Tire

Construction

Customizing

Performance Tire and Wheel Relationship

Plus Sizing

High Performance Wheels

Aspect Ratio Calculator

Rim/Wheel Width

Installation

Glossary


© 2008 Yokohama Tire Corporation. All rights reserved.   Privacy Policy