DETAILS OF THE BROUGH-SUPERIOR.
(1) A cast aluminium inlet pipe with cone and nut air leak preventers.
(2) The handle-bars form a unit with the head clip.
(3) The saddle tank has no flats or corners; it is plated, and has a black top
panel, and hexagon top filler caps are fitted.
(4) A strongly webbed casting is employed for the head lug, which is formed in a single
piece.

Brough Superior 1921 980cc