The most reasonably priced component used on the Er500b1 Er5 1997 United Kingdom Fr Nl Ar Fg Nr Transmission is the Ball-steel,5/32.
The sub assemblies and components that make up this Transmission include this Shaft-transmission In, the most expensive part.
Some items from this specific schematic: Collar,25x40x12, Sprocket-output,17t, Bushing,input Top Gea, Bearing-ball,83993sh2.