>>23399001
>Transpack
Shared backpack system between several Feddie MS models based on using the same standard connection to the torso. They can all be equipped with each other's backpacks and specialized options like cannon pack, radome pack etc.
>Drum frame
A sort of bearing made up of a driving core unit within a disk which can be freely rotated. It's simple and robust, specialized for heavy duty and durable engineering such as mobile workers. Some mobile suits use that in parts with heavy loads such as transformation systems or large equipment.
>Bellows frame
Joint structure based on OYW Zeon amphibious suits, focused on versatility and flexibility. It can collapse and extend as needed, mainly used for joining together different parts, enabling power and data transfer between them.