Bianchi Sempre Pro, Zurigo Disc, Zolder, Infinito, Intenso, Intrepidia, Oltre Headset Colnago For all Trek Supercaliber

For all Trek Supercaliber

For Cervelo P3 Bikes

Intrepidia

compatible for all bike model years

For Ribble Ultra SL Bikes

Bianchi Sempre Pro, Zurigo Disc, Zolder, Infinito, Intenso, Intrepidia, Oltre Headset Colnago For all Trek SupercaliberBoth the upper and lower headset bearings, two bearings included in the sale. For Bianchi Sempre Pro, Zurigo Disc, Zolder, Infinito, Intenso, Intrepidia, and Oltre Bikes, compatible with all model years. Upper Bearing MH P08F Lower Bearing ACB518K Key Features GCR15 High Carbon Chromium Bearings: Chromium provides corrosion resistance, allowing for extended use on trails and less time in the workshop due to rust and seizing. Buna Nitrile Rust