Handlebar Accessory Mount Top Clamp. A clever and simple solution for mounting accessories such as Sat-Navs and cameras to a motorcycle. This replacement Top clamp features an extended arm with a thread mount to enable accessories to be bolted on. The top clamp will fit 22.2mm bars. Available with either M6 x 1.0 or M8 x 1.25 mounting thread. Precision CNC machined alloy with anodised gunmetal finish.