Some items from this specific schematic: Bolt,flange,6x10, Slider,chain, Swingarm Sub Assy, Case,drive Chain.
The most reasonably priced component used on the Cb250 2001 (1) Spain Rear Swingarm/chain Case is the Tapping,5x12.
The sub assemblies and components that make up this Rear Swingarm/chain Case include this Chain Kit,drive, the most expensive part.