Ribble Ultra SL Headset Bearing Kit (Different Taller Lower Bearing) headset-bearing-kit-specialized-turbo-levo-2016-esi6617400 This does NOT fit the

This does NOT fit the TCR Advanced 2014-2021

For all bikes using the Liv Overdrive Road (OD) Headset Kit

Upper Bearing - AC3544

For all Ridley Helium Bikes

For Marin Gesalt X11

Ribble Ultra SL Headset Bearing Kit (Different Taller Lower Bearing) headset-bearing-kit-specialized-turbo-levo-2016-esi6617400 This does NOT fit theThis listing includes both the upper and lower headset bearings, two bearings included in sale. For Ribble Ultra SL bikes where the lower headset bearing is slightly taller in height, see diagram Upper Bearing MH P16 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