Wheel tire size comparison how to#
How to use Wheel Offset & Backspacing Chart First, measure the distance from the back edge of the wheel rims to the mounting face. To do this, you'll need to use a tape measure. You can measure the backspacing on your current wheels to get an idea of what will work for your car. If the backspacing is too small, the wheel may rub against these parts when turning or braking. You need to keep the backspacing in mind because it affects how close the wheel will be to the suspension and brake components. But as there are rim offset calculators, there is also plenty of tools to calculate the right backspacing for your car. This contrasts the offset, the distance from the hub mounting surface to the wheel's centerline. Just enter the width, offset, and spacer specifications of your current wheel, and then find out how your new parts will affect the custom wheel offsets measurements.īackspacing is the distance between the back edge of the wheel rims and the mounting face. Our online wheel offset calculating tool will provide you with the specs in the nick of time. No need to go get your car to look at the wheels. Or you could use our offset calculator and backspacing & offset charts any time. This means that the wheel is 8 inches wide and has a positive offset of 20 millimeters. For example, a wheel might be listed as 8x170mm with a +20mm offset. Most wheel companies will list the offset next to the wheel's width. Non-standard offsets can be dangerous and should be avoided. Most wheel offsets are one of these three types, but there are some special cases where the offset is non-standard. Some four-wheel-drive automobiles employ this method of offset. This type of offset is generally used on race cars or other high-performance vehicles where extra traction is needed.Ī zero offset has the hub mounting surface in the center of the wheel. The hub mounting surface of a wheel with a negative offset is closer to the inside. This is generally considered the standard offset for most cars. You can see these values represented in the wheels offset calculator as regular numbers for positive, 0 for zero, and numbers with a “-” symbol for negative offset.Ī wheel with a positive offset has the hub mounting surface closer to the outside of the wheel.
Types of Wheel Offset (Positive, Zero, Negative) However, be careful not to go too crazy with this, or you may have serious problems. This is a popular modification because it makes your car look more aggressive and can improve handling. Adding spacers can effectively increase the offset and push your wheels outwards. You can use the wheel offset calculator and spacer guide below to your advantage if you want to increase your stance's width. It's crucial to get this right because a wheel with the incorrect offset may damage your suspension and interfere with how well the braking system works. The offset of your wheels is one of the most important characteristics to consider when buying new wheels. So what exactly is wheel offset? It is the distance from the hub mounting surface to the wheel's centerline, and it's typically expressed in millimeters. Wheels and tires size charts by car vendor Find out what wheels and tires fit your vehicleĬhoose vendor to get wheel size, stock tire size, bolt pattern(PCD), wheels offset and tire pressure.Volvo See more What is Wheel Offset Calculator?
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