Full Speed Ahead 8420ST Power Drive Bottom Bracket - English 68x113mm Full Speed Ahead Power Drive Spindle Silver Bead-Non-Folding Cordura Side Panels – Protective

Cordura Side Panels – Protective side panels are stitched on to improve the durability of the saddle

Deep rim profiles require longer nipples

Kraftform Plus handle for comfortable ergonomic screwdriving which avoids blisters and calluses

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

Full Speed Ahead 8420ST Power Drive Bottom Bracket - English 68x113mm Full Speed Ahead Power Drive Spindle Silver Bead-Non-Folding Cordura Side Panels – ProtectiveReplacement 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