- 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
- BB SET BOX OUTBOARD TWO ENG 24mm BK ALY 68/73 w/SEALED BRNG BK
Interface: ENG
Spindle Type: Shimano HTII 24mm
Cup Material: 6061-T6
Weight: 105g
