The Box Two External bottom bracket features cold-forged and CNC-machined alloy cups with dual-labyrinth bearing covers and precision sealed bearings. It is the perfect match to Box Three and Four cranks and serves as the ultimate upgrade to the budget bottom brackets sold with most cranksets.
Box Components Box Two Alloy External ENG Bottom Bracket 68/73mm
Original price was: $51.99.$32.18Current price is: $32.18.
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