Full Speed Ahead 8420ST Power Drive Bottom Bracket - English 68x113mm Full Speed Ahead Power Drive Spindle Silver Bead-Non-Folding Updated with a lighter wood

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

BCD Direct Mount SRAM 8 Bolt Crank Arm Length 160mm

Independent adjustment of individual arms

From the first time we rode the Spark's single pivot layout we fell in love

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 Updated with a lighter woodReplacement 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