This Touratech Mount Adapter is designed for the BMW R1100 S with a high bar.
This adapter provides a half-inch bar to allow mounting a Touratech GPS Mount. Adapts Touratech GPS Mounts to the R1100S high bar.
Best for the angled-screen GPS's such as GPS III, GPS V, StreetPilot (not 2610).
Also fits Honda CBR 600 (2001+) and Suzuki GSXR 600 NOTE: does not include GPS mount . This adapter just provides a place for attaching Touratech mounts. Diameter of the bar if approx. 1/2"