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

Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black SKU: CR3550

$54.99 USD
$54.99 USD
In stock and ready to ship from our warehouse.

**Complete Bikes and overweight products will incur addtional shipping charges. We will contact you with an accurate estimate.**
Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black. 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
    • TECH SPECS
    Bottom Bracket Shell I.D. 1.37
    BB/Frame Interface English
    BB Shell Width (mm) 68
    BB Shell Width (mm) 73
    Weight 102.9
    Spindle Interface Type Shimano Hollowtech II
    Spindle Interface Type FSA MegaExo
    Spindle Interface Type FSA MegaExo Light
    Spindle Interface Type RaceFace EXI
    Defined Color Black
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