YT Jeffsy CF 2014-2017 Headset Bearings Kit Ridley For Cervelo R5 2021 &

For Cervelo R5 2021 & RX Bikes

This kit is for the Nukeproof Mega 275/290 | 2016-2020

This kit is for the Transition Sentinal Alloy | 2018-2026

For all models of the Aurum – Magma/Essentia

For Boardman Comp Bikes

YT Jeffsy CF 2014-2017 Headset Bearings Kit Ridley For Cervelo R5 2021 &This listing includes both the upper and lower headset bearings, two bearings included in sale. For YT Jeffsy CF 2014 2017 Bikes, compatible with model years 2014 2017 only Upper Bearing MH P08F Lower Bearing MH P16 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