Full Speed Ahead 8420ST Power Drive Bottom Bracket - English 68x113mm Full Speed Ahead Power Drive Spindle Silver Bead-Non-Folding Deep rim profiles require longer

Deep rim profiles require longer nipples

BCD Direct Mount SRAM 8 Bolt Crank Arm Length 160mm

Material Aluminum Gauge 14g Length 14mm Color Black Package 100/Count

Updated with a lighter wood core for easier ascents and overall efficiency

keys and track hardware included

Full Speed Ahead 8420ST Power Drive Bottom Bracket - English 68x113mm Full Speed Ahead Power Drive Spindle Silver Bead-Non-Folding Deep rim profiles require longerReplacement 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