No-compromise premium headset Series
Cut in cane creeks fletcher, nc manufacturing facility
Top-quality polishing, anodizing and laser etching in the usa
7075-t6 aluminum covers, internally contoured and relieved to minimize weight and maximize strength
Top-quality sealed, stainless steel bearings
Low-friction top cover seal completely seals cup from solid and liquid contaminants
Fully captured top cover - no loose parts
Updated compression ring design further enhances "carbon friendly"uses by evenly distributing clamping forces on the steerer
Interlok spacer compatible
Dual-Seal 7075-t6 aluminum crown race for maximum sealing efficiency
Consistent stack heights across 10, 40 and 110-Series
Internal parts are cross-compatible across 10, 40 and 110-Series
| S.H.I.S. |
IS41/28.6 | IS41/30 |
| Lower Cup |
41mm |
| SHIS Lower |
IS41/30 |
| Upper Cup |
41mm |
| SHIS Upper |
IS41/28.6 |
| Steerer Tube |
1-1/8 |
| Crown Race Diameter |
30mm |
