Manufactured to very high tolerances, and using low friction, durable bearings, the C-Bear BB30A Cannondale Rotor / QUARQ / Easton ceramic bottom bracket fits the following:
Rotor - 30
QUARQ - DZero
Easton - EC90
Cannondale frames:
CAAD 12
CAAD 13
Synapse
Slate
Bottom Bracket specifications:
Diameter - 42mm threaded with external cups
Width - 73mm (Road)
Material - Precision CNC aluminium cups
Bearings - 2 x C-Bear ceramic bearings
2 year warranty against manufacturing defects
Still not 100% sure if this is the correct product for your needs? Check out the C-Bear Find My Bottom Bracket tab