The component with the lowest price in the E-15 schematic is the Circlip,ex16.
Parts such as the E-15: Washer,17mm, Rachet,driven, Washer,b.thrust, Set Ring,20mm are included in the C50bn 2008 (8) Aa01-170 Japan (jdm) E-15 parts fiche.
The C50bn 2008 (8) Aa01-170 Japan (jdm) E-15 consists of eleven pieces with the Spindle,kick Star being the most expensive.