Bottom Bracket BB30A Cannondale Synapse and CAAD12

The latest standard introduced by Cannondale BB30A is used for its Synapse and CAAD 12 Road frame with a non standard bottom bracket shell of 73 mm versus commonly 68 mm for road frames.
The "A" stands for Asymmetric.  BB30A adds 5mm to the non-drive side of the BB shell.

24mm
BB30A Cannondale Synapse - Shimano, FSA, Race Face, Rotor|no creak bi-cycle ceramic bottom bracket|c-bear.com
BB30A Cannondale Synapse - Shimano, FSA, Race Face, Rotor

Shimano Hollowtech II
FSA Mega Exo
Race Face X-Type
Rotor: 3D, Agilis, Rex 3

Cannondale:
CAAD12
Synapse from 2014
CAAD X 2017

 

24mm
BB30A Cannondale Synapse - Sram GXP |no creak bi-cycle ceramic bottom bracket|c-bear.com
BB30A Cannondale Synapse - Sram GXP

Sram/Truvativ GXP

Cannondale:
CAAD12
Synapse from 2014
CAAD X 2017
 

30mm
Cannondale Hollowgram|no creak bi-cycle ceramic bottom bracket|c-bear.com
BB30A Cannondale Synapse - Cannondale Hollowgram

Hollowgram

Cannondale:
CAAD12
Synapse from 2014
CAAD X 2017