The Clamp(l:45) is the cheapest item from this partsfiche.
Of all the components used in this assembly the Battery(yb14l-b2,12v14.7ah) is the most expensive.
Some items from this specific schematic: Protector(50x50x5), Protector(170x95x3.0), Battery(yb14l-b2,12v14.7ah), Protector(50x50x5).