Trek ZS56/ZS66 Headset Bearing Kit headset-bearing-kit-canyon-nerve-2009-esi1386891 For Giant Defy Advanced bikes

For Giant Defy Advanced bikes

4 Different Part ref's)

For all bikes using the FSA Orbit Z Headset

1 each side)

For all Planet X On-One Rujo Bikes

Trek ZS56/ZS66 Headset Bearing Kit headset-bearing-kit-canyon-nerve-2009-esi1386891 For Giant Defy Advanced bikesBoth the upper and lower headset bearings, two bearings included in sale. For all Trek bikes using the ZS56 ZS66 Headset Bearing Kit 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: Prevents moisture getting inside the bearing. Packed With Lithium