TRIUMPH BRAKE DRUM SPROCKET 46T 37-1040 T100 T120 QUICK DETACH HUB 1959-70

This is a brand new rear brake drum and sprocketwith quick detach hub.

Part # 37-1040, W1040

Sprocket teeth: 46
Chain size: 530
Chain Pitch: 5/8″ X 3/8″

Fits: Triumph pre-unit and unit T120 with quick detach hub from 1960-70
Triumph T100 with quick detach hubfrom 1959 and up