Transition Spire Headset Bearings Kit Mondraker This kit is for the

This kit is for the Saracen Ariel E50 E-Bike | 2021+

This kit is for the Nukeproof Megawatt Alloy/Carbon | 2021+

allowing you to get more use out on the trails and less time in the workshop changing bearings again due to rust and seizing

For Pinarello Grevil Bikes

Transition Spire Headset Bearings Kit Mondraker This kit is for theBoth the upper and lower headset bearings, two bearings included in sale. For all Transition Spire Bikes Upper Bearing MH P03K 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 seizing. Buna NitrileRust Resistance Seals: Prevents moisture getting inside the bearing. Packed