Made in the USA of 7075 T-6 aluminum, internally contoured and relieved to minimize weight and maximize strength
Low-friction upper bearing seal completely seals cup from contaminants and is fully captured by the top cover
Dual-seal crown race provides excellent seal efficiancy with low friction
Premium, sealed stainless-steel bearings
Interlok spacer compatible
110 year warranty
| Bearing Grade |
Sealed cartridge |
| Primary Color |
Black |
| Headset Position |
Complete |
| Lower Cup |
44mm |
| Upper Cup |
44mm |
| Material |
7075-T6 Aluminum |
| S.H.I.S. |
ZS44/28.6/H8 | ZS56/40 |
| Steerer Tube |
1-1/8-1-1/2 |
| Crown Race Diameter |
40mm |
| Headset Type |
ZeroStack |
| SHIS Lower |
ZS56/40 |
| SHIS Upper |
ZS44/28.6/H8 |
