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

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Product Description


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

Additional Information

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

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