Promax PI-1 Alloy Sealed Bearing 1″ Press in Headset Black

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
• Crown Race: 26
• S.H.I.S. Stem Clamp Diameter: 25.4 Threadless
• Bearing Type: 45/45 Degree ACB
• S.H.I.S Lower: EC30
• S.H.I.S Upper: EC30
• Defined Color: Black
• Lower Stack Height: 5.6
• Weight: 120
• Upper Stack Height: 8.2