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Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black

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EX-1 External bottom brackets feature cold-forged and CNC-machined alloy cups, dual-labyrinth bearing covers and precision sealed bearings. They are the perfect match to Promax CF-2 and HF-2 cranks and ultimate upgrade to the budget BBs sold with most crank sets.

  • Fits all 24-millimeter bottom bracket spindles and frames with 68 or 73 x BC1.37" bottom bracket shells

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Product Specs

Manufacturer: Promax
Mfr Part #: PX-BB13000EX-BK
UPC: 657993125984
Model: Promax EX-1
Defined Color: Black
Bottom Bracket Shell I.D.: 1.37
Spindle Interface Type: Shimano Hollowtech II
Spindle Interface Type: FSA MegaExo
Spindle Interface Type: FSA MegaExo Light
Spindle Interface Type: RaceFace EXI
Weight: 102.9
Bore: 24mm
BB Style: Euro
BB Shell Width (mm): 68
BB Shell Width (mm): 73
BB/Frame Interface: English

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BIKEMAN Product Code: CR3550
Bikeman Price: $54.99
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