•  Part # 211134
  •  Model : BOX COMPONENTS .two. Alloy External Bottom Bracket
  •  Supplier Part # BX-BB17000EX-BK
  •  BB SET BOX OUTBOARD TWO ENG 24mm BK ALY 68/73 w/SEALED BRNG BK
  • Price: $59.58

      Quantity:
    •  Box Two??? External bottom brackets feature cold-forged and 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
    •  68/73mm
    •  ENG
    •  24mm
    •  6061-T6
    •  105g