Fits BSA C10,C11 (1946-53),B31,B32 (1946-57), M33,B33,M20,B34 (1948-57), A7,A10 Swinging arm (1954-57), M21 (1948-63). Friction clutch plate for 6 spring models. Read on. Our Ref : 901239. Stub Length - 9.5mm.
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