Full Speed Ahead Power Drive Bottom Bracket

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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. Additio nal 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 Full Speed Ahead 8420ST Power Drive Bottom Bracket - English, 73x113mm, Full Speed Ahead Power Drive Spindle, Silver BB Shell Width (mm): 73 Bottom Bracket Shell I.D.: 34 Spindle Length: 113mm Defined Color: Silver BB/Frame Interface: English Weight: 335 Show more