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BB0042: Titanium T47, 2" OD x 74 mm Wide

BB0042: Titanium T47, 2" OD x 74 mm Wide

10 In stock

  • Buy 10 for $39.56 each and save 8%
  • Buy 25 for $36.25 each and save 16%
  • Buy 50 for $33.00 each and save 23%


This T47 bottom bracket shell is machined from 2" x .095" wall 3/2.5 titanium tubing. The outside diameter is the the stock tube diameter. The width is 74 mm, supplied 1 mm oversize to allow clean up after welding. The threads are M47 x 1, right and left hand, with a thread length of 0.50". The left hand thread is identified by a radial groove on the face of the shell. The minor diameter of the thread is 46 mm +.1/-0 and is relieved on the inside diameter to 47.75 mm +/- 0.1.

Important Information
  1. Use our heatsink FT5004 (see Related Products on this page).
  2. Use our tap FT2001 or FT2002 (see Related Products on this page).
  3. Do not apply excessive force on the tap, it will break!  See our Guidelines for Use.
  4. Video of how to tap a T47 bottom bracket shell here.

Item sold individually.

Photos courtesy of Mosaic Cycles and Kent Eriksen Cycles.



Item Number BB0042
Alloy 3/2.5
Weight/Grams 92
Style T47
Outside Diameter 2.000"
Actual Width 74 mm
STEP File (right click, "save as") BB0042
PDF Drawing BB0042