bearings, categorized as thin-section, double sealed, radial, deep groove ball bearings. KO-BB008 bearings are made of chrome steel / stainless teel, and Nylon / stainless steel cage. KO-BB008 bearings are closed with rubber seals to protect the bearing from dust or any possible contamination. KO-BB008 bearings are lubricated with grease. Name: Bicyle Headset Sealed Bearings Item: KO-BB008 Type: Double-sealed 2RS
