What does PCD and Offset mean? PCD stands for Pitch Circle Diameter and is the diameter of the circle that passes by the centre of the bolts. The offset of a wheel is the measurement of its hub mounting to the centre of the wheel. By wheelwright|2022-11-28T14:42:59+00:00November 28th, 2022|Comments Off on What does PCD and Offset mean? Share This Story, Choose Your Platform!