FSA (FSA Speed Ahead) 8420ST Power Drive Bottom Bracket - English, 73x113mm, FSA Power Drive Spindle, Silver 12-20" Tires UPC: 821973360003

UPC: 821973360003

RF2976 CR8270

Tooth Count: 43

compatible with 10-speed Mountain/Road with spacer

168463-Q0-L

FSA (FSA Speed Ahead) 8420ST Power Drive Bottom Bracket - English, 73x113mm, FSA Power Drive Spindle, Silver 12-20" Tires UPC: 821973360003Replacement 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 Product Specifics BB Shell