FSA (FSA Speed Ahead) 8420ST Power Drive Bottom Bracket - English, 68x113mm, FSA Power Drive Spindle, Silver Quick Release Binders The Gyro upper top plate

The Gyro upper top plate is designed for use with the Odyssey detangler

155513-Q0-L

155003-Q0-L

Built in Li-Ion USB rechargable battery

- Puncture Protection System for reduced flats

FSA (FSA Speed Ahead) 8420ST Power Drive Bottom Bracket - English, 68x113mm, FSA Power Drive Spindle, Silver Quick Release Binders The Gyro upper top plateReplacement 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