BOX Box Two 24mm Bottom Bracket (68/73mm) - Blue

Features cold-forged and CNC-machined alloy cups, dual-labyrinth bearing covers and precision sealed bearings- Designed to fit all 24-millimeter crank spindles and frames with 68 or 73 x BC 1.37-inch bottom bracket shells- Compatible with Box Three, Box Four, Shimano HollowTech II, and RaceFace X-Type