The Washer,lock is the lowest priced item on this Balancer Chain schematic.
nineteen components are shown in this Dr800s 1992 (n) (e1 E02 E04 E17 E18 E21 E22 E24 E25 E34 E39 E53) Balancer Chain exploded diagram.
Of all the components used in this assembly the Chain,balancer is the most expensive.