Central fork stem hole fitting for hole diameter 13.3mm - 14.7mm (0.52" - 0.58").
This mount was developed for use on motorcycles where a handlebar mounting option is not possible or desirable. Fits sports, superbike, endurance & touring motorbikes using the cylindrical bore wall (steering head tube) of the fork stems.

Includes the BuyBits Original 1" Ball AMPS 4 Hole Adaptor - 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.

This adaptor fits the TomTom Rider Dock (Dock not included)
Fits TomTom Rider 40 & 400

BuyBits Original extension arm: 3" length (7.62cm) between centre's.
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.

Mount fits stem hole diameter: 13.3mm - 14.7mm (0.52" - 0.58").
Light weight - made from Aluminium.
Attaches easily to the steering head tube of fork stems.
Easy to fit & completely removable.

Video example of this type of mounting option

Ultimate Addons Central Fork Stem Yoke Mount - YouTube

Video will open in a new window

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