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
| spindle interface | 24mm |
| shell | BSA |
| shell ID | 33.6mmx24tpi |
| width | 68/73mm |
| color | blue |
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