Giant Defy Advanced Pro Headset Bearing Kit headset-bearing-kit-mondraker-prime-x-2021-esi3709567 allowing you to get more

allowing you to get more use out on the trails and less time in the workshop changing bearings again due to rust and seizing

compatible with model years 2019-2023

This kit is for the Cannondale Scalpel | 2020-2022

For all Norco Tactic 2016-2018 Carbon Alloy Bikes

5 Different Part ref's)

Giant Defy Advanced Pro Headset Bearing Kit headset-bearing-kit-mondraker-prime-x-2021-esi3709567 allowing you to get moreThis 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