These are three piece beadlocks for 9805155 tyres, designed specifically for my custom RC hotrod because the vintage Tamiya rims I was using (Wild One) kept on snapping.
Hotrod thread and files can be found here: www.instructables.com/id/Scratch-Build-an-RC-Car-With-CAD-and-Rapid-Prototy/
You will need the following two complete
(5) M3x8 cap screws
(5) M3 nuts
(2) 11mm bearings/bushings