2" OD Steel T47 Bottom Bracket Shell, Internal Relief: Choose Width

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Part #: Choose an option...
Width
BB2040: 69 mm
BB2042: 74 mm
BB2044: 84 mm
BB2045: 87.5 mm
BB2046: 101 mm
BB2047: 121 mm
BB2048: 108 mm
Clearance BB2048: 108 mm
BB2049: 92.5 mm
Manufactured in Richmond, California, USA

Product Details

  • Material: 2" OD x .156" wall 4130 or 1026 steel tubing
  • OD: 2.000"
  • Width: Supplied 1.0 mm oversize to allow for clean up after welding
  • Relief: On the inside diameter to 47.75 mm +/- 0.1
  • Threads:
    • M47 x 1, right and left hand
    • Thread length = 0.50"
    • Left hand thread is identified by a radial groove on the face of the shell
    • Minor diameter = 46 mm +0.1/-0
  • Heatsink: See Related Products at the bottom of the individual product page.

Item sold individually.

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