Cannondale Topstone Carbon Headset Bearings Kit headset-bearing-kit-specialized-crux-2013-esi1151723 For all bikes using the

For all bikes using the Acros AiX-Low R3 (CK) Headset

suitable for model years 2016 onwards

and Oltre Bikes

For all Norco Tactic 2016-2018 Carbon Alloy Bikes

Cannondale Topstone Carbon Headset Bearings Kit headset-bearing-kit-specialized-crux-2013-esi1151723 For all bikes using theThis listing includes both the upper and lower headset bearings, two bearings included in sale. For Cannondale Topstone Carbon 2019+ Bikes. Also fits Topstone Neo Carbon Upper Bearing ACB30418K 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