YT Jeffsy CF Headset Bearings Kit Whyte their full complement structure means

their full complement structure means MAX type bearings can take a much higher load as they have 40% more balls than standard wheel bearings

For Ribble Endurance SL Bikes

For Mondraker Crafty Carbon Bikes model year 2020 and later

Upper Bearing - ACB4252H7

Packed With Lithium Grease : Keeps the bearings running smooth and protected from the elements

YT Jeffsy CF Headset Bearings Kit Whyte their full complement structure meansThis listing includes both the upper and lower headset bearings, two bearings included in sale. For all YT Jeffsy CF 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