The eleven Gsx1300r Hayabusa 2012 (l2) Usa (e03) Crank Balancer component parts are all listed in this schematic.
Some items from this specific schematic: Bearing(19x26x25.2), Bolt(6x20), Arm,balancer Shaft, Bolt.
This Balancer,crank is the most expensive of the items that make up this Crank Balancer assembly.