- 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
| Model | Box Two |
| Spindle Interface | 24mm |
| Shell | BSA |
| Shell ID | 33.6mmx24tpi |
| Width | 68/73mm |
| Color | Blue |
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