Tank Centre Trim Beading Holder , BSA / Triumph , 83-3318.
Tank Centre Trim Beading Holder - OIF Models
Chrome plated tank centre trim beading holder for Oil in Frame models
As fitted to BSA A65, A50 models (1971-1972) & Triumph T120, TR6 models (1971-1972)
These models used a tank with a raised central seam and a central mounting hole.
This beading holder fits in the mounting hole and forms part of the tank mounting