The PI-1 Alloy 45×45 headset has an aluminum top cap upper bearing cover lower race and upper and lower cups. All-aluminum construction results in a lightweight headset. Each headset is fitted with super-smooth rolling precision 45×45 angular-contact sealed bearings.
Because this versatile headset has 45×45 angular-contact bearings you can use the included cups and install it in standard frames. Or leave the cup in the box and use it as an Integrated headset
| Color |
Black |
| Lower Stack Height |
5.6 |
| Bearing Type |
45/45 Degree ACB |
| Crown Race |
26 |
| Weight |
120 |
| Defined Color |
Black |
| Upper Stack Height |
8.2 |
| S.H.I.S Upper |
EC30 |
| S.H.I.S. Stem Clamp Diameter |
25.4 Threadless |
| S.H.I.S Lower |
EC30 |
