Box components Box Two Alloy External ENG Bottom Bracket 68/73mm Shimano HTII 24mm

DescriptionBox 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 TECH SPECSWidth68/73mmBB InterfaceENGSpindle TypeShimano HTII 24mmLengthCup Material6061-T6Weight105gCup TypeCup OD/Bearing ODColor