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

$54.99
$54.99
$54.99

SKU: HD3508

Expected Ship Date: Mon Jul 06
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Description
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
    • TECH SPECS
    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

    Product Images Disclaimer
    Product images are for reference only and may not reflect the exact specifications, color, or components of the item offered for sale. Please refer to the product description and specifications for the most accurate details. If you have questions before purchasing, contact us and we’ll be happy to confirm.

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    Born from a lifelong passion for all things bikes, AMG Cyclery is a small, family-run bike shop and community hub in Seaside, California. Founded by Alex and Alisa Gonzales, we believe cycling is for everyone — whether you’re chasing personal bests, heading out for a Sunday cruise, or just discovering two wheels for the first time. We build bikes that fit your style, service them with precision, and welcome every rider who walks through our doors. With a focus on community, craftsmanship, and riding culture, our shop has even been featured on The Radavist — a reflection of the unique bikes and vibrant energy you’ll find here.

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