FSA 8420ST Power Drive Steel Cartridge Bottom Bracket 73x113mm for English Frames Bolt Center Diameter_ and other biting pests that

and other biting pests that can transmit diseases such as West Nile Virus and Lyme Disease

making them perfect for both casual riders and competitive cyclists

offering flexibility to customize your setup with compatible hydraulic lines

The Bar Fly 4 Prime is engineered to fit 35

FSA 8420ST Power Drive Steel Cartridge Bottom Bracket 73x113mm for English Frames Bolt Center Diameter_ and other biting pests thatReplacement 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