White Industries Ball Bearings For Cassette Rear Hub With Rubber Sealed Closures And Double Sided Seals Low Friction Grease Lubrication Corrosion Resistant Chrome Steel Balls 52100 SAE Low Friction Cage Precision ABEC 1 Quality By VXB

Set of 2 Sealed Ball Bearings for Rear Bike Hubs
✔️ 2-pack sealed bearings with double-sided rubber seals

These bearings are designed to replace worn rear-hub components in bicycles, especially cassette-equipped setups. They provide durable performance and reliable sealing in dirty, wet riding conditions.

✅ Sealed closure with rubber seals on both sides for dirt protection
✅ Low friction grease lubrication preserves speed and longevity
✅ Chrome steel 52100 balls provide high hardness and wear resistance
✅ ABEC-1 precision cage keeps balls evenly spaced for consistent performance
✅ Pack of 2 bearings included for rear hub replacement

💡 What is a sealed ball bearing used for in a bicycle rear hub?

A handy overview for riders maintaining or upgrading hubs:

- Sealed ball bearings keep dirt out and grease in, extending hub life.
- They support smooth rotation under load and help the cassette run quietly.
- Chrome steel 52100 balls with ABEC-1 precision resist wear and reduce friction.