I have one of these that I’m listing up for sale here. As of right now, the project does not have a name, so feel free to offer up suggestions if anything comes to mind. Five prototypes of this were made. Specs and pricing can be found below:
Diameter: 50mm
Width 42.5mm
Mass: ~59.5g
Bearing: 4mm wide MR85
Response: RBC spec pads
Axle: 8mm
Materials: 7075 + SS304
Price: $120 Shipped to the CONUS