The component with the lowest price in the ACCESSORY(GRIP HEATER) schematic is the Bolt-flanged,6x25.
A sample from the products for the Accessory(grip Heater) include: Collar,8.2x18x5, Clamp, Bolt,socket,8x40, Harness,sub.
The most expensive part in this assembly is the Grip-heater Z900rs/ca.