FSA BB-4000 - Omega Drive BSA To MegaExo Bottom Bracket 68mm (bsa) 19mm

The FSA BB-4000 is a solid mid-range bottom bracket that converts your BSA shell to take MegaExo cranks. It's a straightforward mechanical solution if you're upgrading to modern cranksets or building up a bike with mixed component generations. The 68mm BSA shell size is standard on most road and gravel frames, making this a common swap when you want to move away from older crank standards.

This bracket suits riders who need reliable everyday performance without fuss. It's the kind of part that does its job quietly and lasts through seasons of commuting, training, or weekend rides. If you're r