On this parts fiche the Bolt,flange Sh 6x is the most specified component.
Parts such as the Swingarm: Collar L,rr Axle, Swingarm Sub Assy, Collar L,rr Axle, Collar,swingarm P are included in the Cbr600ra 2011 (b) Brazil / Abs Swingarm parts fiche.
The lowest price component in this Swingarm parts-list fiche is the Bolt,flange Sh 6x.
