External cup (EC) headsets are found on a wide range of frames, from classic steel road bikes to modern aluminum commuters. The EC44/28.6 configuration fits frames with 44mm headtube diameter and 1-1/8" fork steerers. Our ceramic replacement set uses Grade 3 silicon nitride balls, DLC-coated races, and ABEC-7 tolerances — a direct drop-in upgrade that transforms steering feel.
What You Get
- ✓ Grade 3 Si₃N₄ ceramic balls — reduced steering friction from ride one
- ✓ DLC-coated chromium steel races for extended bearing life
- ✓ ABEC-7 precision tolerances for smooth, play-free steering
- ✓ Matched pair: upper and lower bearings included
- ✓ Direct drop-in for external cup headset cups
Technical Specifications
| Includes |
2 bearings |
| Seal Type |
Integrated contact seals |
| Tolerance |
ABEC-7 |
| Fork Steerer |
28.6mm (1-1/8 inch) |
| Expected Life |
20,000–35,000 miles |
| Race Material |
52100 Chromium Steel, DLC Coated |
| Bearing Material |
Grade 3 Silicon Nitride (Si₃N₄) |
| Bearing Standard |
EC44/28.6 |
| Headtube Diameter |
44mm |
Compatibility
External cup headsets with 44mm headtube
Campagnolo Record headsets
FSA Orbit headsets (EC44)
Cane Creek 40 EC44 series
Most traditional external-cup 1-1/8 inch headsets