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

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

by Promax
$54.99
SKU 191724
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

Product Specifics

  • 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


Today's Stock Status

10+ Available to ship in 2-4 Business Days




UPC: 657993125984
EAN: Not available
Manufacturer Part Number: PX-BB13000EX-BK
CR3550
191724-Q0-L

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