PAP's new S-series paramotor chassis is a lightweight and rigid aluminium and titanium unit.
The S-series chassis has a simple hoop cage, with the safety net attached in such a way that the external surface remains smooth snd free of netting.
PAP say the unit is narrower and less cumbersome than the stainless steel version, and comes in different diameters, depending on your prop size: as standard they make versions for 140cm and 125cm props, and say they could also make a version for a 130cm prop.
http://www.papteam.com