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FSA (FSA Speed Ahead) 8420ST Power Drive Bottom Bracket - English, 73x118mm, FSA Power Drive Spindle, Silver

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Product details

Management number 201770809 Release Date 2025/09/29 List Price $13.50 Model Number 201770809
Category

Replacement bottom bracket for FSA's Power Drive splined cranksets. The stiff forged hollow chromoly spindle is supported by a pair of sealed industrial cartridge bearings. Additional weather protection comes from double “Snap” seals.

  • Forged hollow SCM4130 chromo spindle
  • Industrial 6002KRS cartridge sealed bearings with oversized 3/16” diameter balls
  • Cold forged aluminium cups
  • Double “snap” seals for water and dirt protection

Specifications:

  • Bottom Bracket Shell I.D.: 34
  • BB/Frame Interface: English
  • BB Shell Width (mm): 73
  • Weight: 335
  • Spindle Length: 118mm
  • Defined Color: Silver


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