Hobby Raw has Metal Roadwheels/ Suspension Arms with Bearings, Sprockets, Springs and Return Rollers as a Package... For the New HL Abrams.
The Metal Idlers were sold separately.

Just Received my Order Yesterday!

Only thing I haven't found yet are a set of Metal Tracks...

I can can go lay the Pieces out and snap a Photo in anyone would like..?

-gus