The RAM fork stem mount is one of the cleanest ways to mount small electronics on your motorcycle. Simply slide the assembly into the hole of the stem and tighten the machine screw to create a tight fit. This part is designed to fit into the cylindrical bore wall of fork stems and will work with stems that measure from 12-28mm or .5″ – 1.10″ at the following intervals:

Metric ?Standard
12mm ? .5″
14mm .55″
16mm .63″
18mm .71″
20mm .79″
28mm 1.10″

Material:
Powder Coated Marine Grade Aluminum

Ball Size:
1″ Rubber Ball “B” Size