The Promax EX-2 English bottom bracket features forged and CNC machined aluminum cups, dual-lip labyrinth low-friction seals, and custom sealed bearings.
Custom sealed bearings are smooth and long lasting
Dual-lip labyrinth low-friction seals keep elements out without affecting pedal efficiency
For use with 30mm diameter crank spindles such as RaceFace/Easton CINCH
Strong, stiff and lightweight forged and CNC machined aluminum cups
Specifications & Identifiers
Bottom Bracket Shell I.D.
34.8mm / English
Bottom Bracket Shell Width (mm)
68, 73
Bottom Bracket/Frame Interface
English (BSA)
Defined Color
Black
Spindle Interface Type
30mm, Cinch 30mm
Spindle Length (mm)
No Spindle
Weight
105
UPC
657993341506
Tree Fort ID:
333222464949
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