Follower Arrangement 1. In-line follower. The center line of the follower passes through the center line of the camshaft 2, Offset follower. The center line of the follower does not pass through the center line of the cam shaft The amount of offset is the distance between these two center lines. The offset causes a reduction of the side thrust present in the roller follower.Follower Arrangement 1. In-line follower: The center line of the follower passes through the center line of the camshaft. 2. Offset follower: The center line of the follower does not pass through the center line of the cam shaft. The amount of offset is the distance between these two center lines. The offset causes a reduction of the side thrust present in the roller follower