Giant Defy Advanced Pro Headset Bearing Kit headset-bearing-kit-mondraker-prime-x-2021-esi3709567 compatible with model years 2019-2023

compatible with model years 2019-2023

Both the upper and lower headset bearings

fits 2012-2021 model years only

For all Norco Tactic 2016-2018 Carbon Alloy Bikes

Upper Bearing - ACB619H8K

Giant Defy Advanced Pro Headset Bearing Kit headset-bearing-kit-mondraker-prime-x-2021-esi3709567 compatible with model years 2019-2023This listing includes both the upper and lower headset bearings, two bearings included in sale. For Giant Defy Advanced Pro 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