BB2005: Steel BB30, 1.875" OD x 68 mm Wide

BB2005: Steel BB30, 1.875" OD x 68 mm Wide

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This bottom bracket shell is machined from 1.875" x .120" wall 1020 steel tubing. The outside diameter is the stock tube diameter. The width is 68 mm and is finish machined to size. The bearing bore is supplied undersized, 1.640"/1.643", and must be finished to size by the framebuilder after welding. Snap-ring grooves are finished to size. The inside diameter is relieved to 1.745"/1.755".

Important Information
  1. Use with heatsink FT5003 (see Related Products on this page).

Item sold individually.

Photo courtesy of United Bicycle Institute



Item Number BB2005
Weight/Grams 154
Alloy 1020
Style BB30
Outside Diameter 1.875"
Actual Width 68 mm
PDF Drawing BB2005
STEP File (right click, "save as") BB2005