Sram GXP Black Box BB92 Press Fit Bicycle Bottom Bracket 00.6415.033.030

The new Ceramic BB bearings offer a performance advantage over traditional bottom brackets. 10% lighter than standard bearings, ceramic bearings require an astonishing 78% less energy than the most efficient BB on the market. More resistant to dirt and moisture, when properly maintained, will outlast and outperform any other BB on the market.