This central fork stem yoke mount has been developed for use on motorcycles where a handlebar mounting option is not possible or desirable. Fit sports, superbike, endurance & touring motorbikes using the cylindrical bore wall (steering head tube) of the fork stems - Central fork stem hole fitting for hole diameter 20.5-24.5mm.
Supplied with the BuyBits Original 1" Ball AMPS 4 Hole Adapter.
The 4-Hole AMPS pattern consists of four holes located in a rectangular pattern spaced at 1.188" by 1.813''.
Industry-standard 4-Hole AMPS pattern is used with in mounting options for many cameras, GPS devices, satellite radios or audio/video receivers.

Use to attach your ZUMO Dock (dock not included) Fits the Zumo Fits Garmin Zumo 220, 350, 400, 550, 660, 500, 220 LM, 340 LM, 590 LM, 660 LM, 350 LM and 390 LM GPS systems.

BuyBits Original extension arm - 3" length (7.62cm) between centers.
1" double socket fits all 1" ball mount bases. Made from heavy duty composite.
Light-weight & durable - A tightening screw on the side of the arm enables the sockets to clamp firmly to a 1" diameter ball. When loosening the side screw, a single spring inside the arm opens the sockets allowing you to pivot the ball and socket connection or completely disconnect the ball from the socket.

Video example of this type of mounting option