Ridley Helium Headset Kit headset-bearing-kit-mondraker-dune-2015-esi9193661 This listing is for a

This listing is for a full set of MAX Frame Pivot Bearings only (12 MAX Bearings Supplied

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

For Cervelo R5 2021 & RX Bikes

Upper Bearing - MH-P03K

For all bikes using the ZS44/EC49 Headset Bearing Kit

Ridley Helium Headset Kit headset-bearing-kit-mondraker-dune-2015-esi9193661 This listing is for aBoth the upper and lower headset bearings, two bearings included in sale. For all Ridley Helium 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 Resistance Seals: Prevents moisture getting