Cyber Forge has their October Patreon release up for a preview. It looks like a solid one with the bikes being modular.
These are a 3D Printing Patreon and come in stl files monthly. Essentially you get all these files for a monthly subscription of $10. (there are a couple early subscriber memberships left at $7) You can find out more at the link below
Here are some pics via Cyber Forge
https://www.patreon.com/cyberforgeminis/posts