The CeramicSpeed BB30 bottom bracket offers bearings with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. Designed for SRAM's DUB crank standard, built on a 28.99 spindle A more contamination resistant BB design that uses an integrated dust cover with a snug and secure fit to fully protect the face of the bearing Carries the load from crank to frame with unparalleled durability and efficiency Coated bearing races provide additional corrosion resistance Grade 3 Silicon Nitride balls Reinforced polyamide cage and non-contact seals Hand built in Denmark CeramicSpeed products with coated bearings include a 6-year warranty
