73.5MM X 38.1 Ø BOTTOM BRACKET SHELL CHROMO THREADED BSA - ID CENTER RELIEF

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73.5MM X 38.1 Ø BOTTOM BRACKET SHELL CHROMO THREADED BSA - ID CENTER RELIEF

$6.50

73.5MM  4130 CHROMOLY THREADED BOTTOM BRACKET SHELL

DIMS:  73.5MM X 38.1MM Ø ,  1.370" X 24TPI BSA   THREADED

RIGHT/LEFT THREADED . LEFT THREADED DRIVE SIDE OF SHELL IS IDENTIFIED BY GROOVE . THE INTERNAL CENTER IS RELIEVED . 16MM WIDTH OF THREADS.

CLICK HERE FOR PDF DRAWING OF SPEC SHEET

SHELL WIDTH IS .5MM OVERSIZED TO ALLOW FOR POST WELD/BRAZING FACING OF EACH SIDE FOR FINISHED WIDTH OF 73MM

EST WEIGHT - 105g

SKU- TBE-BB-BSA-73-4130

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