Specialised Tarmac SL4 Headset Bearings Kit frame-bearing-kit-transition-scout-alloy-2018-esi6857036 All replacement frame bearings included

All replacement frame bearings included

For Boardman Team Bikes

2015 Grail AL etc)

Upper Bearing - MH-P03

Specialised Tarmac SL4 Headset Bearings Kit frame-bearing-kit-transition-scout-alloy-2018-esi6857036 All replacement frame bearings includedThis listing includes both the upper and lower headset bearings, two bearings included in sale. For Specialized SL4 Bikes, compatible for all model years. Upper Bearing MH P08F Lower Bearing MH P21 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: