The Promax EX-2 English bottom bracket features forged and CNC machined aluminum cups dual-lip labyrinth low-friction seals and custom sealed bearings.Strong stiff and lightweight forged and CNC machined aluminum cups Dual-lip labyrinth low-friction seals keep elements out without affecting pedal efficiency Custom sealed bearings are smooth and long lasting For use with 30mm diameter crank spindles such as RaceFace/Easton CINCH
| Bottom Bracket Shell I.D. | 1.37 |
| BB/Frame Interface | English |
| BB Shell Width (mm) | 73 |
| Weight | 105 |
| Spindle Interface Type | RaceFace/Easton CINCH |
| Defined Color | Black |
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