Most enthusiasts want to know how large they can go.
Radom model 35 pattern 16 plus#
The Plus ConceptĪll the combinations in the above example are the same height as the plus sizing concept allows you to run larger wheels while retaining the correct tire diameter which is important for gearing and speedometer accuracy. If you have any questions or concerns about the safe use of hub rings, give our customer service department a call at 80. The use of hub centric rings has become very common and allows wheel manufacturers to keep costs down by reducing the number of unique fitments they must manufacture. Hub centric rings are adapters that are pressed into the opening in the backside of the wheel to precisely center the wheel on the car's hub. Some wheels are manufactured to the exact hub bore for specific application, while others may use an adapter ring (called a hub centric ring). Having the correct hub bore in the wheel is very important on front wheel drive and all wheel drive models to prevent vibration. We always do our best to provide accurate information in regards to the proper applications of the wheels we sell (models they can be installed on). Generally speaking you can deviate a few mmÍs from the offsets listed, but it is best to test fit at all 4 corners of the car with a tire mounted to be sure.
P1 chassis C70 +43mm offset with 63.4 mm hub bores. P1 chassis S40, V50, C30 +43mm offset with 63.4 mm hub bores. *(Offset is also commonly referred to as "ET" and is often stamped into the backside of wheels) Deep dish wheels are typically a negative offset. The hub mounting surface is toward the back or brake side of the wheel centerline. Positive offset wheels are generally found on front wheel drive cars and newer rear drive cars. The hub-mounting surface is toward the front or road/outside side of the wheel. The hub-mounting surface is even with the centerline of the wheel. Since the sixties Volvo has pretty much stuck with positive offset wheel designs. If the offset of the wheel is not correct for the car, the handling can be adversely affected and in most cases will cause severe rubbing. The offset of a wheel is the distance from its hub-mounting surface to the centerline of the wheel. A few other cars use this bolt pattern, such as Ferraris and some Fords, but in most cases the offset is different enough to prevent the use of any wheels not built specifically for use on a Volvo. This indicates a 5-lug pattern on a 4.25 inch circle, which is pretty much unique to Volvo. Most Volvos* use a bolt pattern of 5 on 4.25 inch (108mm). The bolt pattern or bolt circle is the diameter of an imaginary circle formed by the centers of the wheel lugs. To calculate the outside diameter of a tire, take the sidewall height and multiply by 2 (remember that the diameter is made up of 2 side walls), then add the diameter of the wheel to get your answer. The last number is the diameter of the wheel in inches. Multiply that by the aspect ratio to find the height of one sidewall. In the example above, the tire is 7.28" wide. The aspect ratio is also sometimes called the "series". This is a ratio of sidewall height to width. The second number (70) is the aspect ratio. In the example above, the width is 185mm or 7.28". This dimension is also called the section width. The first number (185) is the width of the tire in millimeters, measured from sidewall to sidewall. Ultimately itÍs a choice that only you can make once you have gathered enough information. Add the subjective wheel styles to the picture and you can see how the process can become very time consuming. Budget, local weather and geographical considerations, driving style, ride quality, road noise, and tire life all factor in to choosing tires. Next to "Why won't my Volvo start?" the most popular question we get at ipd is "What size tires and wheels should I put on My Volvo?" This can be a tough question to answer, as there are so many variables to consider.
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