Japanese origin & quality – trusted worldwide since 1921 We put all our efforts into developing this ceramic bearing for the winning bicycle hub. Superior Performance of Ceramic Bearings by the Pioneer of Ceramic Bearing Manufacturing Reducing bike riding resistance Superior Durability No.1 Strength and Life JTEKT 100 years superior technology contributes to reduce rolling resistance. Test results prove: JTEKT Superior Performance of Ceramic Bearing Smooth Rotation Rotating torque Ultra Low Friction! JTEKT Products keep rotating and less wheel speed reduction. COATED VERSION Time Special ceramic making process. 1.5 times stronger 1.5 times longer bearing life vs original Strength Ratio Superior Durability With Special Process No.1 strength and long life by the best grade Silicon Nitride JTEKT Superior Performance of Ceramic Bearing BRAND X COATED VERSION Please check the superior performance of our products here

History of the World's First commercialized Ceramic Bearings Cycling Track Race - Omnium (in Tokyo) Our Bearing was used for the wheel of World No.1. 2021 Entering Bicycle Market JTEKT’s Engineering capabilities and track record resulting in new products with unprecedented performance Super High Speed - 200.000 RPM - Turbo Charger Extra Long Life - more than 20 years service life operating 24 hours a day - Wind power generation Resistance for Severe Environment - High Temperature (350°C) Hub bearing for Paris Dakar Rally World’s First Extra Long life - Applied to Wind Power Generation Turbine...