BB0021: Titanium Threaded, 1.562" OD x 68.5 mm Wide

BB0021: Titanium Threaded, 1.562" OD x 68.5 mm Wide

39 In stock

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This bottom bracket shell is machined from 1-5/8" x .150" wall 3-2.5 titanium tubing. The outside diameter is machine finished to size, 1-9/16". The width is 68.5 mm, supplied 0.5 mm oversize to allow for clean up after welding. The threads are 1.370"-24, right and left hand, and thread length is 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 1.330"/1.340" and is relieved on the inside diameter to 1.385"/1.395".

Important Information
  1. This threaded bottom bracket shells is 1.37" x 24 threads per inch and right and left threaded (also known as British Standard, ISO/English or BSA), making it compatible with all modern threaded bottom bracket spindles.
  2. Use our heatsink FT5002 (see Related Products on this page).

Item sold individually.

Photo courtesy of Triton Bikes.



Item Number BB0021
Alloy 3/2.5
Weight/Grams 84
Style English
Outside Diameter 1.562"
Actual Width 68.5 mm
STEP File (right click, "save as") BB0021
PDF Drawing BB0021