Ball Bearings For MTB Disc 29 Rear Hub With Rubber Sealed Closure And Double Sided Seals Low Friction Grease Corrosion Resistant Chrome Steel 52100 Balls ABEC 1 Precision And Low Friction Cage For Replacement In Mountain Bike Disc Hubs

Precision sealed bearings for American Classic MTB hub
✔️ Set of 4 sealed rear hub bearings, chrome steel 52100, ABEC-1

These ball bearings are designed for 29 inch rear hubs on mountain bikes with disc brakes. They fit American Classic MTB 29 inch rear hubs and deliver smooth, reliable performance in wet, muddy riding conditions.

✅ Pack: Set of 4 bearings (rear hub) for MTB disc bikes
✅ Seals: Rubber sealed closure on both sides for contamination protection
✅ Lubrication: Low friction grease for extended life and easier turn
✅ Material: Corrosion-resistant chrome steel 52100 SAE steel balls
✅ Cage: Low friction steel cage for stable, smooth rotation
✅ Precision: ABEC-1 tolerance for consistent performance

💡 What is a sealed ball bearing and why are chrome steel parts used in bike hubs?

Here's the handy explanation for riders evaluating bearings:

- Sealed ball bearings reduce friction and wear in rotating hubs - Chrome steel 52100 offers high hardness and long life - ABEC-1 precision helps smooth rotation in MTB rear hubs