Parts such as the F-16 Rear Fork - Chain Case: Joint,chain, Pin,cotter 2.0x15, Bolt,hex.,6x50, Washer,plain,8mm are included in the Ct125 1983 (d) Australia F-16 Rear Fork - Chain Case parts fiche.
The F-16 Rear Fork - Chain Case is made up of components including this Chain,drive which is the most expensive.