73MM X 38.1 Ø BOTTOM BRACKET SHELL CHROMO THREADED ISO/BSA

73MM X 38.1 Ø BOTTOM BRACKET SHELL CHROMO THREADED ISO/BSA

6.25

73MM  4130 CHROMOLY THREADED BOTTOM BRACKET SHELL

DIMS:  74MM X 38.1MM Ø ,  1.370" X 24TPI  ISO/BSA   THREADED

RIGHT/LEFT THREADED . LEFT THREADED DRIVE SIDE OF SHELL IS IDENTIFIED BY 2MM COUNTERBORE.  20MM OF THREAD WIDTH EACH SIDE.

SHELL WIDTH IS 1MM OVERSIZED TO ALLOW FOR POST WELD/BRAZING FACING OF EACH SIDE.

EST WEIGHT - 124g

SKU- TBE-BB-73MMXTHRD

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