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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
For Specialized Tarmac SL5 54/56cm Frame Bikes
For all bikes using the Acros AiX-Low R3 (CK) Headset
Lower Bearing - MH-P25K
For Ribble Gravel SL bikes where the lower headset bearing is slightly taller in height
GCR15 High Carbon Chromium Bearings: Chromium offers a corrosion resistance to the bearing
Transition Relay 2023+ Alloy Headset Bearings Kit MH-P16H8 For Specialized Tarmac SL5 54/56cmBoth the upper and lower headset bearings, two bearings included in sale. For all Transition Relay 2023+ Alloy 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
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