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
- TECH SPECS
| Width | 68/73mm |
| BB Interface | ENG |
| Spindle Type | Shimano HTII 24mm |
| Length | |
| Cup Material | 6061-T6 |
| Weight | 105g |
| Cup Type | |
| Cup OD/Bearing OD | |
| Color |
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