This part is designed to fit into the cylindrical bore wall of fork stems and will work with stems that measure from 12 -20mm and 28mm or .5” – 1.10” at the following intervals:

Metric
12mm
14mm
16mm
18mm
20mm
28mm
Note:
Certain motorcycles require adding electrical tape to the area of the plug that is the largest diameter until it fits snugly in the stem. The “U” in the part number reflects product packaged in poly bag. RAM recommends that you review the installation instructions for this part prior to ordering.