SRAM GXP BlackBox PressFit Road Bottom Bracket Cups w/Ceramic Bearings

SRAM's GXP BlackBox PressFit Road Bottom Bracket Cups are the premium choice for getting the most out of every pedal stroke. They feature ceramic bearings that drastically reduce drag on the crankset, meaning more of your power goes directly to the road. Plus, these BB cups press directly into the frame without having to be threaded in for reduced weight and enhanced durability.