Giant Defy Advanced Headset Kit headset-bearing-kit-santa-cruz-tallboy-2010-esi3155560 suits all model years

suits all model years

For Specialized Aethos Bikes

For Boardman Comp Bikes

Please refer to the model image supplied in this product to check against

For all bikes using the FSA Orbit C-33-CX No:44-CX Headset

Giant Defy Advanced Headset Kit headset-bearing-kit-santa-cruz-tallboy-2010-esi3155560 suits all model yearsThis listing includes both the upper and lower headset bearings, two bearings included in sale. For Giant Defy Advanced bikes, compatible with all model years. Upper Bearing MR136 Lower Bearing MR137 GCR15 High Carbon Chromium Bearings: Chromium offers a corrosion resistance to the bearing, allowing you to get more use out on the trails and less time in the workshop changing bearings again due to rust and seizing. Buna NitrileRust Resistance Seals: