74MM T47 THREADED BOTTOM BRACKET SHELL MACHINED IN USA

DIMS: 74MM X 50.8MM Ø , M47X1.0 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 1MM OVERSIZED TO ALLOW FOR POST WELD/BRAZING FACING OF EACH SIDE FOR FINISHED WIDTH OF 73MM

MATERIAL - 4130 OR 1026 STEEL TUBING

EST WEIGHT - 166g

SKU- TBE-BB- T47-73-4130