Trek ZS56/ZS66 Headset Bearing Kit MH-P03K 4 Different Part ref's)

4 Different Part ref's)

Material: 100CR6 Chrome Steel

For Norco Fluid FS Carbon 2018 Bikes

For all Whyte T-120 T-130 T-160 G-160 G-180 S-120 S-150 Bikes

Trek ZS56/ZS66 Headset Bearing Kit MH-P03K 4 Different Part ref's)Both 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