PolarStar Kythera SA V2

The Kythera SA  (forVersion 2  Gear Boxes ) represents a revolutionary shift in HPA technology from PolarStar. This completely mechanical semi-automatic system eliminates the need for batteries, FCUs, and electronics entirely—meaning no charging hassles and full waterproof operation.

Named after the ancient Antikythera Mechanism, the Kythera SA embodies sophisticated mechanical engineering in a surprisingly simple design. Despite its intelligent architecture, installation and maintenance are straightforward.

The system features a realistic trigger mechanism purpose-built for semi-automatic performance in AEG gearboxes. With the Kythera SA, you get reliability without complexity. No delicate electronics to worry about, no battery dependency, just pure mechanical precision that performs in any condition.