Promax EX-1 External Bottom Bracket

$104.99
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PRODUCT INFO

The Promax external bottom bracket suits the Promax CF-2 and HF-2 BMX racing cranks perfectly, as well as many other race cranks that make use of a 24mm spindle.

  • Fits all 24-millimeter bottom bracket spindles and frames with 68 or 73 x BC1.37" bottom bracket shells
  • CNC machined alloy cups
  • Dual-labyrinth bearing covers
  • Precision sealed bearings
  • Spindle Interface Type: Shimano Hollowtech II , FSA MegaExo , FSA MegaExo Light , RaceFace EXI
  • Bottom Bracket Shell I.D.: 1.37
  • BB Shell Width (mm): 68 , 73
  • BB/Frame Interface: English
  • Weight: 102.9g

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