With a quantity of four pieces, the Washer,plain, 6mm is the most used part in the SWINGARM / CHAINGUARD diagram.
The sub assemblies and components that make up this Swingarm / Chainguard include this Fork Assy.,rear, the most expensive part.
A sample from the products for the Swingarm / Chainguard include: Plug,chain Case, Arm,rear Brake, Pin Cotter 2.0mm, Washer,plain,8mm.