Understanding Wheel and Tire Packages

Understanding Wheel and Tire Packages


– [Narrator] With all
different offsets, widths and diameters, buying a
set of wheels and tires can be confusing. Here at SD Wheel, our goal
is to make buying the right wheel tire package easy. To start things off,
we’re gonna kick it back to Geometry class and talk about diameter. This is the overall size of the wheels, if you measure from one side
of the rim to the other. Going up in wheel diameter
will generally decrease the amount of side wall
you have on your tires and most times, give a worse ride but offers better aesthetics. The width of the wheel is
fairly straightforward, it is simply the distance
from the outside edge of the wheel to the inside. Wider wheels give a more
aggressive appearance and offer more traction but
are usually more expensive and can also increase wear
on suspension components. Offset is the measurement
from the mounting face to the center point of the wheel. Let’s start off easy. Zero offset wheels are
where the mounting face is the center point of the wheel. Positive offset is when the
mounting face of the wheel is out beyond the center of the wheel and closer to the outside edge. Negative offset is the complete opposite. The mounting face of
the wheel will be inside of the center line. Bolt patterns and hub bore is
usually manufacturer specific. At SD Wheel, we calculate this for you when you enter the car or
truck that you’re shopping for. Tire sizes are given in a specific order, such as 265/40 R22. The first number is the width of the tire. The second number is an aspect ratio that is relative to the width. To calculate this for a 265/40 tire, you take the aspect ratio of 40 or 0.4 and multiply it by 265. So the side wall height
would be 106 millimeters, or 4.17 inches. The diameter of the tire is
the easiest to understand. You simply match that to
the diameter of your wheels. Knowing this can help
you find the right size of wheel and tires for your car or truck. Luckily, we make buying
wheels and tires easy. Just head on over to www.sdwheel.com and enter in your year, make and model to browse wheel and tire
packages to fit your ride.

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