thirty-four components are shown in this Yz250f 2007 5xch Europe 1f5xc-100e1 Rear Wheel exploded diagram.
A sample from the products for the Rear Wheel include: Damper, Sprocket, Driven (47t), Sprocket, Driven (49t), Tube(42x).
The component with the lowest price in the REAR WHEEL schematic is the Bolt.