To suit tapered forks
Upper cup Stack height: 3mm - Total upper stack height including bearing cover: 8mm
Lower cup Stack height: 3mm
Upper Bearing: 41mm OD, 45 x 45 Degree AC sealed bearing
Lower Bearing: 52mm OD, 45 x 45 Degree AC sealed bearing
Split type 7075-T6 aluminium crown race for simple, tool free installation
Headset comes complete with top-cap (star-nut included), bearings and crown race - all parts required for fitment
| Bearing Grade |
ACB Sealed |
| Headset Position |
Complete |
| Headset Type |
ZeroStack |
| Lower Cup |
56mm |
| S.H.I.S. |
ZS56/28.6 | ZS56/40 |
| Material |
7075-T6 Aluminum |
| Primary Color |
Black |
| Steerer Tube |
1-1/8-1.5 |
| Misc |
Headtube length 110-119mm |
| Angle |
1.0° |
| Stack Height |
11 |
| Upper Cup |
56mm |
| Crown Race Diameter |
40mm |
| SHIS Lower |
ZS56/40 |
| SHIS Upper |
ZS56/28.6 |
