The Nut,8mm is the most widely applied product in the KE175-B2 KE175 1977 USA CANADA / MPH KPH REAR HUB/BRAKE/CHAIN ( six times ).
The lowest price component in this Rear Hub/brake/chain parts-list fiche is the Nut,8mm.
Some items from this specific schematic: Spring,brake Shoe, Bearing-ball,#6202c3, Lever-brake Cam, Coupring Assy,rr Hub.