Check out any of the thirty-one Rear Hub/brake/chain ('81-'82 A2 components enlisted.
In this schematic the "Nut,8mm" is used most often.
A sample from the products for the Rear Hub/brake/chain ('81-'82 A2 include: Circlip-type-c,35mm, Rear Sprocket,52t, Axle,rear, Spring,brake Shoe.
