How To Read Rim Size
The diameter measurement refers to the diameter of the rim itself and the width measurement refers to the width or depth of the rim.
How to read rim size. In japan this number is followed by the number of holes 100 4h 120 4h. Then choose 1 of the 2 bolts on the opposite side. Locate the stamped size on the back of the hub on the rim. This guide is accurate and is updated on a daily basis. 7j x 16 h2 5 120 et47.
In order to obtain the required stiffness manufacturers strengthen the wheel structure with humps. The 6 in the middle indicates the width of the rim. In this example the tire diameter or height is 33 inches tall. 33x12 50r15 the first number is your overall diameter of the tire. They are usually written in the hundred or near the hundred beside the number of holes such as.
7 rim width. Diameter width and bolt pattern. The second number represents the width of the tire. It consists of three measurements. It s usually found at the end of the alphanumeric symbols stamped on the wheel.
For example a 14 by 6 by 4 5 reading on the rim indicates that the diameter of the rim is 14 inches and it will accommodate most 14 inch tires. Regardless of the number the first one present is always the inner width. It doesn t matter which of the bolts on the opposite side you choose to use. Diameter width and bolt pattern. Pull your measuring tape to the outside edge to measure the bolt pattern.
There are two ways that tire manufacturers display tire size inches and metric. This is the assigned measured size of the rim and it is broken into three sizes. This might look like 6 or 7 7 or something similar. To measure a 5 lug rim place the hook of your measuring tape in the middle of a bolt. The rim size is located along the rim on the back of the hub.