Chris King 2Nut headset 1 1/4' EC37/31.8-25 | EC37/33 red

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  • 2Nut

    The headset that started it all, our 2Nut headset was designed in the late 70’s and quickly became the required headset for any serious rider. The 2Nut is built for use on bicycles with threaded forks that require the ability to use a steerer-tube-mounted cable hanger or additional spacers. Each 2Nut is constructed with our exclusive Chris King-made angular contact bearings for precision adjustment and smooth performance.

    • Engineered, manufactured and assembled in Portland, Oregon USA
    • 10-year built-to-last warranty
    • Legendary made-in-house bearings
    • Our 2Nut retention system gives you the space you need while keeping your headset secure
    • Options to fit 1”, 1-1/8”or 1-1/4” straight steerer tubes

    EC - External: This is the traditional type of thread-less Headset which has upper and lower bearing races pressed into the frame, with the bearings positioned outside of the head tube. These can typically be found on bikes with 1 1/8” head tubes.

    IS - Integrated: A type of headset used on frames where the head tube is machined so that the top and bottom bearings can fit directly inside the frame, eliminating the need for extra bearing cups and enabling the bearings to sit flush with the frame.

    ZS - Internal: A type of headset for bikes without machined head tubes and require aluminum cups to be pressed into the top and bottom of the tube so that the bearings can sit into them. (Zero Stack)
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  • Attachements
    User's Manualinstruction manual
    475.40 KB
    Factory number:HSC3R
    Discontinued model/sale!
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