The goal with Enduro ceramic bearings is simple: By reducing friction from your bottom bracket, hubs, and derailleur pulleys, you get more speed for the same amount of power. After wind resistance, the #1 enemy of a cyclist is mechanical drag. Enduro ceramics fight this friction, and does it with ceramic bearings that won't break the bank. Whether you want to retro-fit your Mavic or Zipp wheelset, Enduro ceramic bearings will make you faster.