- For use with Omega MegaExo 19mm spindle cranksets
- Die cast alloy and CNC machined external cups
- Oversize cartridge bearings
- Composite center sleeve w/ double o-ring seals
- BB SET FSA MEGA EXO 4000 ENG 19mm ROAD f/OMEGA
Center: ENG
Right: MegaExo 19mm
Overall Length: Alloy