Chris King hubs are built to last a lifetime, and our ceramic bearing kit extends that legacy. Grade 3 silicon nitride balls with DLC-coated races drop into Chris King's precision-machined hub shells. The RingDrive engagement system already sets the standard — now pair it with bearings that spin with virtually zero friction. Compatible with R45 (rim brake) and R45D (disc brake) configurations.
What You Get
- ✓ Complete front + rear set for Chris King hub platform
- ✓ Grade 3 Si₃N₄ ceramic balls, hand-graded for roundness
- ✓ DLC-coated races extend bearing life 3–5x vs uncoated
- ✓ Precision tolerances match Chris King's machined hub shells
- ✓ Drop-in replacement — maintains hub serviceability
- ✓ Swappable seal system (cross seals sold separately)
Technical Specifications
| Seal Type |
Low-Contact Road Seals (included) |
| Tolerance |
ABEC-7 |
| Kit Contents |
2x front hub bearings, 4x rear hub bearings, 2x seal sets, grease syringe |
| Expected Life |
15,000–25,000 miles |
| Race Material |
52100 Chromium Steel, DLC Coated |
| Weight Savings |
~10g vs steel equivalent |
| Bearing Material |
Grade 3 Silicon Nitride (Si₃N₄) |
Compatibility
Chris King R45 (rim brake)
Chris King R45D (disc brake)
Chris King ISO Disc
Chris King Classic hub