• Model: BB-8420 / 8420ST PowerDrive. It features a 118 mm FSA PowerDrive spindle and standard BSA threading (BC 1.37 × 24T). • Spindle interface: FSA PowerDrive. • Compatible with FSA PowerDrive cranksets.
• Model: BB-8420 / 8420ST PowerDrive. It features a 118 mm FSA PowerDrive spindle and standard BSA threading (BC 1.37 × 24T). • Spindle interface: FSA PowerDrive. • Compatible with FSA PowerDrive cranksets.