"1st STAGE AC2:
Simple piston 1st stage, a ""work mule"" that is affordable, simple, reliable and robust, suitable for intense use. 2nd STAGE XS COMPACT:
New ultra simplified monocoque second stage in ABS + elastomer, small (6 cm in diameter), very light (145 g) and robust, designed and built to have a minimum number of components. It is a smart buy due to its combination of performance, reliability, price and cost of maintenance. "