Norco Optic Carbon 2020-2023 Headset Bearing Kit Chapter For all bikes using the

For all bikes using the IS41/IS41 Headset Bearing Kit

For all Santa Cruz Stigmata Bikes

For Norco Fluid FS Carbon 2019-2021 Bikes

For Ridley X-Night & X-Fire Bikes

compatible for all model years from 2013 to 2021 (ie

Norco Optic Carbon 2020-2023 Headset Bearing Kit Chapter For all bikes using theBoth the upper and lower headset bearings, two bearings included in sale. For Norco Optic Carbon 2020 2023 Bikes Upper Bearing MH P03K Lower Bearing MH P25K 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.