American Sealed Bottom Bracket Bearing Set 3/4inch Inner Diameter
AMERICAN SEALED BOTTOM BRACKET SET 3/4inch INNER DIAMETER
2 inch bearing cups fit into one piece frame bottom bracket.
Pound out the old bearing cups from opposite sides with a flat head
Inner Diameter: 3/4ths of an inch.
Pound these in with a rubber mallet.
Fitments may be tight.
Clean area inside bottom bracket,
and sand with sand paper.