Acros AiX-322 R3 Headset Bearing Kit Bird For Giant Fathom 2018-2021 bikes

For Giant Fathom 2018-2021 bikes

For Cervelo Aspero 5 & Caledonia 5 Bikes

Lower Bearing - MH-P21

For Pinarello F12 Bikes

For all bikes using the Cane Creek Kit (Old Version)

Acros AiX-322 R3 Headset Bearing Kit Bird For Giant Fathom 2018-2021 bikesThis listing includes both the upper and lower headset bearings, two bearings included in sale. For all bikes using the Acros AiX 322 R3 Headset Upper Bearing MH P08F Lower Bearing MH P16 GCR15 High Carbon Chromium Bearings: Chromium offers a corrosion resistance to the bearing, allowing you to get more use and less time in the workshop changing bearings again due to rust and seizing. Buna NitrileRust Resistance Seals: Prevents moisture getting inside