Parasitic drag is the enemy within any machine. Frictional losses pile on bit by bit, consuming effort that should be moving you forward. But in any ceramic bearing it's not the balls that wear out, it's the races, which soon fail, causing wattage-sapping drag. That's why our Campagnolo Ultra Torque bearing races are processed with additional melting and heat treatment steps.
The result is a type of corrosion-resistant steel with a very uniform fine grain material structure that is then micro polished for an ultra smooth race channel. This process produces a hybrid bearing set that is hard enough to resist ceramic-induced wear, and so smooth that there's no good place for wear to begin. Like you we measure success by comparing distance over time. With BBInfinite's Ceramitech bearings, you'll go the distance time, and time again, faster, and faster still.
These Si3N4 hybrid 6805N bearings are a perfect fit for ALL Campangnolo UltraTorque crank sets in existence, and work with all UltraTorque-spec bottom brackets from BBInfinite, Campy, and many others.
Campagnolo Ultra Torque Bearing Dimensions: 37x25x6
*bearing seal color may vary