Box Two Alloy External Sealed Bearing Bottom Bracket (24mm) (Blue)

Box Two Alloy External Sealed Bearing Bottom Bracket (24mm) (Blue)
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Price: $64.99
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Box Two Alloy External Sealed Bottom Bracket Description:

External Euro bottom bracket kit with very smooth, high quality sealed bearings. 


  • Box Two External bottom brackets feature cold-forged
  • CNC-machined alloy cups, dual-labyrinth bearing covers and precision sealed bearings
  • The perfect match to Box Three and Four cranks, and the ultimate upgrade to the budget BBs sold with most cranksets


  • Shell Width: 68/73mm
  • Spindle Type: 24mm
  • Thread: 1.37" x 24 TPI
  • Weight: 105 g / 3.7oz 

Make sure you have the right tools for the job. Browse our bottom bracket tools here. If you need assistance finding the right tool, reach out to our friendly customer service team (phone, email, and live chat at the bottom of this page).

This product was added to our catalog on February 21, 2020