The most reasonably priced component used on the Er500a2 Er5 1998 United Kingdom Fr Nl Ar Gr It Nr Sd Sp St Clutch is the Bolt, Clutch Spr Fitt.
A sample from the products for the Clutch include: Spacer, Washer,20.3x36x2.3, Nut,20mm, Gear-comp,40t.
The Clutch is made up of components including this Housing-comp-clutch which is the most expensive.