Bianchi Specialissima, Sprint, Aria And Oltre Xr4 (Non-Disc) Headset Bearing Kit Colnago This listing includes both the

This listing includes both the upper and lower headset bearings

For Boardman Comp Bikes

For Cannondale Supersix & Evo

Two ACB518K Bearings for the ACR Headset System Bearings GCR15 High Carbon Chromium Bearings: Chromium offers a corrosion resistance to the bearing

Bianchi Specialissima, Sprint, Aria And Oltre Xr4 (Non-Disc) Headset Bearing Kit Colnago This listing includes both theBoth the upper and lower headset bearings, two bearings included in sale. For Bianchi Specialissima, Sprint, Aria And Oltre Xr4 (Non Disc) Bikes, all model years compatible Upper Bearing MH P08F Lower Bearing MH P22 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