Promax EX-2 Bottom Bracket - 30mm Black

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