FSA BB-4000 Omega Drive MegaExo Bottom Bracket
The FSA BB-4000 Omega MegaExo Bottom Bracket is designed to fit FSA’s MegaExo 19mm diameter chromoly spindle cranksets. The BB-4000 has forged and machined alloy external cups and oversized cartridge bearings for smooth and reliable running. The bearings themselves are made from chrome steel and the BB-4000 is only compatible with Omega 19mm spindle aluminium cranks.
- Oversized cartrdige bearings
- Forged steel and CNC machined external cups
- Composite centre sleeve with double o-ring seals
- For 19mm axle
- Thread: BSA (BC 1.37" X 24T)
