These FSA Mega Exo BB30 Adapters will allow you to mate your standard FSA crankset w/24mm spindle to a frame with a BB30 bottom bracket shell. While they offer a version with ceramic hybrid bearings, FSA spec's this one with their smooth rolling, steel cartridge bearings.
FSA machines the cups from aluminum as they're subjected to a pressfit into the bottom bracket shell and for the bearing bore. So while being lightweight, they are also sturdy and resistant to unwanted deformation that could cause creaking.
The FSA Mega Exo BB30 Adapters are distinguished by their anodized silver cups. The ceramic version is red. They come as a complete pair with bearings and dust caps installed and are ready for installation -- press them in, install the crank, and go ride.
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Can I press this into my BB30 frame and...
Can I press this into my BB30 frame and run Shimano Ultegra cranks?
There were a few generations of MegaExo bottom brackets that were compatible with Shimano Cranksets, but this bottom bracket was designed to work exclusively with the MegaExo bottom bracket. For Shimano cranksets, the Wheels Manufacturing adapters work well.