Bicycle Wheel Bearings Full Ceramic Deep Groove Ball Bearing 627 for Scott Bikes - China Ceramic Bearings for Shimano Hubs, Ceramic Bearings in Bicycle Wheels | Made-in-China.com
4pcs/10pcs bicycle hub Ceramic bearing 15267 ZrO2 Ceramic ball bearing 15x26x7 mm Zirconia bike bearings 15*26*7mm - AliExpress
6204 Full Ceramic Bearings
R12 Full Ceramic Bearings (3/4" X 1-5/8" X 7/16") - Advanced Ceramic Manufacturer