The Circlip(2ja) is the lowest priced item on this Crankshaft-piston schematic.
A sample from the products for the Crankshaft-piston include: Pin, Piston, Collar (35r), Piston (0.50mm O/s), Pin, Crank 1.
The Crankshaft-piston is made up of components including this Crankshaft Assy which is the most expensive.