Trek Knock Block Headset Bearings Kit Bearing Quality:Basic For all Santa Cruz Chameleon

For all Santa Cruz Chameleon Bikes

For Canyon Ai69

For all bikes using the ACROS AZX-214 Headset

For all Trek Supercaliber

Trek Knock Block Headset Bearings Kit Bearing Quality:Basic For all Santa Cruz ChameleonFor all bikes using the Trek Knock Block Headset Bearing Kit Both the upper and lower headset bearings, two bearings included in sale. Upper Bearing MH P03K Lower Bearing ACB518K 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