FSA BSA Mega Exo BB4000 bottom bracket cups

Upgrade your road bike with the FSA MegaEvo BSA Threaded Bottom Bracket. This innovative component seamlessly integrates modern BB386EVO cranksets (30mm spindle) into traditional 68mm BSA threaded frames, boosting stiffness and reducing weight. Enjoy smooth, efficient power transfer thanks to high-quality stainless steel bearings and durable, titanium anodized aluminum cups. At only 87.4g, it’s a lightweight performance boost. Compatible with Shimano Di2 for a clean electronic setup. Perfect for cyclists seeking ultimate performance without frame replacement