Initially, I had gears on both sides, but this doesn’t appear to be necessary. The gears would have interfered with the top of the offset arm that mounts to the column.I removed the gears on the side nearest the column, and that leaves a space of about 13 mm which is clearance to the top of the offset arm that mounts to the column. However, I didn’t think to move the arm down to take advantage of this. We should be able to use this space.Very good observation