Headset Bearing 6902

From Kinetic:

• Bearing ID: 15mm
• Bearing OD:  28mm
• Bearing Thickness: 7mm
• Material: Chromium Steel GCR15 (Race & Balls)
• Used On: Easton, Bontrager, Goldtec, Stans, Hope, FSA. Specialized, Zipp
• Grease: SINOPEC HTHS Bearing Grease, 30% filled
• Seal: Double-sealed 2RS