Genuine *New Old Stock* BSA Cush Drive Sleeve 2- Lobe Type (L/4)
For A group twins for the 1” crankshaft but with simmer flange than the common (42-0069) one
The 42/69 has a 5/16” flange
This one is 3/16”
This sale is for one Cush drive sleeve
Some still covered in greasy outer coating from factory see photo