The most expensive part in this assembly is the Chain Cam.
In this schematic the "Bolt,flange" is used most often.
Parts such as the Cam Chain/tensioner: Bolt,flange 6x14, Washer,6mm, Bolt,flange,nshf,, Lifter Assy,tensi are included in the Cb1000r 2011 (b) France / Cmf St Cam Chain/tensioner parts fiche.