FSA 8420ST Power Drive Steel Cartridge Bottom Bracket 73x113mm for English Frames Bolt Center Diameter_ improving cycling efficiency and reducing

improving cycling efficiency and reducing fatigue

while the nylon enhances durability

Premium Chris King DropSet 3 Headset with GripLock bearing cap for superior preload retention and enhanced durability

the M-Wave S 10

FSA 8420ST Power Drive Steel Cartridge Bottom Bracket 73x113mm for English Frames Bolt Center Diameter_ improving cycling efficiency and reducingReplacement 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