Cervelo R5 2021 & RX Headset Kit Aurum compatible for all bike model

compatible for all bike model years

For Cannondale Supersix & Evo

5 SB5 SB6 ASR Bikes

Upper Bearing - AC3544

GCR15 High Carbon Chromium Bearings: Chromium offers a corrosion resistance to the bearing

Cervelo R5 2021 & RX Headset Kit Aurum compatible for all bike modelBoth the upper and lower headset bearings, two bearings included in sale. For Cervelo R5 2021 & RX Bikes, compatible for bike model year 2021 only. Upper Bearing MH P22 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