Type: Single row deep groove ball bearings Fits Zipp 404 (2006-2008) Rear HUB Closures: Rubber Sealed Closure Side: Double Sided Seals Lubrication: Low Friction Grease Material: Corrosion Resistant Chrome Steel Balls: High Chromium Steel 52100 SAE Steel Balls Cage: Low Friction Steel Precision: ABEC-1 Quality Brand: VXB Quantity: Set of 4 Bearings Location : Rear Hub Pack#176329.
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