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BBB Cycling BottomThread BSA BBO-39 Bottom Bracket - BSA-68/73-24

BBB Cycling BottomThread BSA BBO-39 Bottom Bracket - BSA-68/73-24

BBB BottomThread BSA BBO-39 Bottom Bracket are fully CNC machined external cups.

BBB Cycling BottomThread BSA BBO-39 Bottom Bracket features:

  • Chrome steel 6805 bearings.
  • Co-molded bearing shields.
  • Wave washer spacers included.
  • BSA threading: 1.37” x 24T.
  • Fits 68/73 mm wide brackets.
  • Fits 24 mm spindle cranksets.
  • Cup tool: 16-notch 44mm OD (BTL-27L).


Case width: 68mm ||| 73mm
Material: 7075 T6 Aluminium

Fact Sheet of BBB Cycling BottomThread BSA BBO-39 Bottom Bracket - BSA-68/73-24

Product Name: BBB Cycling BottomThread BSA BBO-39 Bottom Bracket - BSA-68/73-24
Manufacturer: BBB Cycling
Item Code: BBB407651
activity: Cycling
usage bikesport: MTB
bottom bracket type: BSA
bottom bracket axle profile: 24mm Hollow Shaft
bottom bracket case width: 68mm, 73mm
bottom bracket construction: Bottom Bracket Cups
Model year: 2022
Collection: Full year
Manufacturer page: https://bbbcycling.com