Machine Spirit: Riding Machine (精械：乗機 Sei Kai: Jōki) is a SIGNI class associated with red SIGNI. It is unknown what LRIG is associated with them, but it is likely they will be used by Lalaru in the future. Riding SIGNI are based on vehicles, especially those with engines.
List of Riding Machine SIGNIEdit
- Main article: Category:Riding Machine Support