Promax EX-2 Bottom Bracket - 30mm, Black

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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 lightwei ght 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 Show more