The component with the lowest price in the SWING ARM/CHAIN CASE schematic is the Screw,4x8.
The sub assemblies and components that make up this Swing Arm/chain Case include this Swing Arm*nh146m*, the most expensive part.
With all the components that make up the NSR125R 2000 (Y) ENGLAND SWING ARM/CHAIN CASE assembly. The Screw,4x8 is the most frequently specified with four applications.