Sram commissioned Ceramic Speed to design ceramic bearings for their pulleys. While these bearings are standard for the Red Rear Derailleur, here is a great upgrade for your Force or Rival rear derailleur. Hybrid ceramic bearings supercharge your rear derailleur to make you even faster!
BlackBox technologies are developed through SRAM's unique BlackBox Racing program. Through interaction between BlackBox athletes (made up of the world's best racers and most progressive riders) and the BlackBox development team at SRAM, they create products that allow their riders to achieve greater levels of performance.
