BSA Rear Hub Grease Retainer - A and B Group - Full Width Cast Iron Hub + A50/A65 Alloy Hub Models
Correct fitment on swinging arm A7 and A10 models from 1958-63 + B31 and B33 models from 1958-59.
Plus earlier A50 and A65 models with alloy full width rear hub - circa 1962-65.
Width: 3/8" (9.3mm)
OD: 2+1/4" (57mm)
ID: 1+1/2" (38mm)
Made in England