BOX COMPONENTS

 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...

 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 105gUPC/EAN/GTIN: 616043825922