Full Speed Ahead 8420ST Power Drive Bottom Bracket - English 73x113mm Full Speed Ahead Power Drive Spindle Silver Size-Standard }SRAM G2 RE Disc Brake

}SRAM G2 RE Disc Brake and Lever - Rear Hydraulic Post Mount Gloss Black A2

floating axle

SHIMANO Deore (RD-M5120)

and other 4-slot freewheels

3mm thick rotors

Full Speed Ahead 8420ST Power Drive Bottom Bracket - English 73x113mm Full Speed Ahead Power Drive Spindle Silver Size-Standard }SRAM G2 RE Disc BrakeReplacement 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 Bottom Bracket Shell I. D. 34