Ribble Endurance SL Headset Bearing Kit (Different Taller Lower Bearing) Cervelo Lower Bearing - MR137

Lower Bearing - MR137

For Ridley Noah & Fenix Bikes

For Ribble CX SL Bikes

For all Santa Cruz Tallboy Bikes

Primer bikes

Ribble Endurance SL Headset Bearing Kit (Different Taller Lower Bearing) Cervelo Lower Bearing - MR137This listing includes both the upper and lower headset bearings, two bearings included in sale. For Ribble Endurance 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