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73mm 4130 BSA BB shell
$16.50
73.5mm Steel BSA BB shell with internal relief. OD is turned for easy weld prep. Drive Side is easily identified with OD groove.
1.5” OD
1.37”-24 thread.
73.5mm Steel BSA BB shell with internal relief. OD is turned for easy weld prep. Drive Side is easily identified with OD groove.
1.5” OD
1.37”-24 thread.