Crafts idler ne track adjuster zikolebwa okusinziira ku mutindo gwa OEM .. Ekoleddwa mu kyuma ekyetooloovu, idler main pin shaft ejja kukakanyala olw’okulongoosa ebbugumu erya mid frequency okukakasa nti likaluba. Mu kiseera kino, ekisusunku kya Idler kisuulibwa mu kyuma eky’enjawulo.