The Tyler Middle Mount 2 will support most cine cameras. It is designed to fit into the rear seat of the Bell Jet Ranger or Long Ranger, or with a different seat base into an A-Star.
The Package includes the full Middle Mount with (3) KS8 Gyros for added stabilization. Comes with one 24V Battery.
You probably want to add the Ships Power Adapter (35/day).
Installation and balancing available. Cost depends where.