The Enduro CH 6903 LLB ABEC-5 Ceramic radial BRNG (C3) Hub 17 x 30 x 7mm is a high-quality bearing designed for durability and performance. Featuring ceramic balls and dual-lip labyrinth seals, this bearing is ideal for use in hubs, bottom brackets, and pivot points. The deep-groove design and high-pressure water proof synthetic grease ensure long-lasting protection against the elements. Upgrade your bearings with Enduro for superior performance and reliability.