ACER RACING Ceramic Ball Bearing (17X30X7mm)

Made from our World Champion Ceramic Nitride Pro Series Bearing Material. 17x30x7mm Ceramic Ball Bearing size 6903 ball bearing. This 17x30mm bearing is a super high-performance ceramic bearing that can be used for many high-performance applications including bicycles (this is a direct performance upgrade for a Fulcrum R4-004 bearing) and as a direct performance upgrade and replacement for the HPI Baja.