Full Speed Ahead 8420ST Power Drive Bottom Bracket - English, 68x113mm, Full Speed Ahead Power Drive Spindle, Silver

Replacement 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

Specifications:

• BB Shell Width (mm): 68
• BB/Frame Interface: English
• Bottom Bracket Shell I.D.: 34
• Defined Color: Silver
• Spindle Length: 113mm
• Weight: 335