Phil Wood High Flange Track Rear Hub Ball Bearings With Rubber Sealed Closures And Double Sided Seals Low Friction Grease Lubrication Corrosion Resistant 52100 Chrome Steel Balls Low Friction Steel Cage ABEC 1 Precision For Reliable Performance

Premium sealed bearings for high flange track rear hub
✔️ Set of 2 sealed ball bearings, chrome 52100 steel

These bearings are built to fit high flange track rear hubs in bicycles, delivering smooth rotation and durable, sealed protection in road and track setups.

✅ Closures: Rubber sealed, double-sided seals protect against dust and moisture
✅ Material: Chrome steel balls 52100 for corrosion resistance
✅ Cage: Low-friction steel cage improves smoothness
✅ Precision: ABEC-1 rated for reliable, predictable performance
✅ Lubrication: Low friction grease pre-lubricates for immediate use
✅ Fitment: Designed for high flange track rear hub applications
✅ Pack: Set of 2 bearings included for replacement pairing

💡 自転車のハブにおいて、sealed はどのような役割を果たしているのでしょうか？

Sealed bearings keep dirt out and grease in, delivering long-lasting smooth performance in wheel hubs. - They reduce friction and wear in hub rotations - They shield internal components from moisture and contaminants - They work best with proper lubrication and compatible seals