On this parts fiche the Bush,rabber,fork is the most specified component.
The most expensive part in this assembly is the Chain Kit,drive 4.
Parts such as the Swingarm: Guard,chain, Swingarm *nh146m*, Nut,flange,6mm, Chain Kit,drive 4 are included in the Crf50f 2011 (b) European Direct Sales Swingarm parts fiche.