GEARBOX SPROCKET TRIUMPH TR6 T120 T150 BSA A75 ROCKET 3 4 SPEED MODELS 57-1918

GEARBOX SPROCKET - Triumph, BSA Gearbox sprocket for Triumph TR6 Trophy, T120 Bonneville etc 1963-74, T150 Trident 1969-72, 4 speed models, and BSA A75 Rocket 3, 4 speed models. Chain Pitch: 5/8'' x 3/8'' Number of Teeth: 19T Made in England. OEM: 57-1918 .