Detail Images

  • Thomson X4 Stem Black
  • Thomson X4 Stem Silver

Available colors

  • Thomson X4 Stem Black
  • Thomson X4 Stem Silver

Thomson X4 Stem

$99.95

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Select style & size:

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  • Select options
    • Black, 0Deg/100mm
        $99.95
    • Black, 0Deg/110mm
        $99.95
    • Black, 0Deg/120mm
        $99.95
    • Black, 0Deg/50mm
        $99.95
    • Black, 0Deg/70mm
        $99.95
    • Black, 0Deg/90mm
        $99.95
    • Black, 10Deg/100mm
        $99.95
    • Black, 10Deg/110mm
        $99.95
    • Black, 10Deg/120mm
        $99.95
    • Black, 10Deg/130mm
        $99.95
    • Black, 10Deg/90mm
        $99.95
    • Silver, 0Deg/110mm
        $99.95
    • Silver, 0Deg/120mm
        $99.95
    • Silver, 0Deg/50mm
        $99.95
    • Silver, 0Deg/70mm
        $99.95
    • Silver, 0Deg/90mm
        $99.95
    • Silver, 10Deg/100mm
        $99.95
    • Silver, 10Deg/110mm
        $99.95
    • Silver, 10Deg/120mm
        $99.95
    • Silver, 10Deg/130mm
        $99.95
    • Silver, 10Deg/90mm
        $99.95
    • Black, 0Deg/40mm
        $99.95
    • Black, 0Deg/60mm
        $99.95
    • Black, 0Deg/80mm
        $99.95
    • Black, 10Deg/80mm
        $99.95
    • Silver, 0Deg/40mm
        $99.95
    • Silver, 0Deg/60mm
        $99.95
    • Silver, 0Deg/80mm
        $99.95
    • Silver, 10Deg/80mm
        $99.95

    10 Reviews

    Details

    Lightweight.

    The Thomson X4 Stem utilizes a more traditional split clamp design to save weight without sacrificing stability and control. The X4 features a sculpted stem, sleek clamp bolts, and is made with 7000-series aluminum alloy to ensure torsional stiffness and precise steering. The X4 Stem comes with a 3-year warranty from the manufacturer. The stem is available in Black or Silver with a zero (90) or 10-degree (100) rise.

    • 7000-series aluminum
    • Sculpted stem and sleek clamp bolts
    • Split clamp design
    • 31.8mm clamp diameter
    • Item #THP000A

    Tech Specs

    Material
    aluminum
    Length
    50 mm 70 mm, 90 mm 100 mm, 110 mm 120 mm, 130 mm
    Rise
    10 deg, 0 deg
    Clamp Diameter
    31.8 mm
    Steer Tube Diameter
    1.125 in
    Bar Attachment
    4-bolt faceplate
    Claimed Weight
    [0-deg/50mm] 167 g
    Recommended Use
    cross country, freeride
    Manufacturer Warranty
    3 years

    Tech Specs

    • Reviews
    • Q & A

    What do you think about this product?

    Have questions about this product?

    Thomson...nuff said

    • Familiarity: I've put it through the wringer

    Thomson make best stem I've used so far and I have one on all my bikes. This is a set and forget component on your bike. Beautiful craftsmanship by Thomson. I've beaten it up either fully rigid or suspension and it keeps ticking. Mountain or road you probably cant go any better for performance and price.

    What These Guys Said

    • Familiarity: I've put it through the wringer

    I think we've covered it: light, stiff and gorgeous. Just make sure you hit those bolts with a torque wrench! Seen a few broken face plates over the years from over torquing. There is no need for silverbacking those bolts on a stem this precise and refined.

    Solid, expensive for weight

    • Familiarity: I've used it several times

    Thomson x4 stem is very solid, great materials, great construction, looks good, and has +/-10 which fit my needs perfectly. my only gripe would be that the stem is a little on the heavy side given the price point. there are many alternatives to the Thomson x4 stem that cost 1/2 the price and accomplish the same task, so you are definitely paying extra for the Thomson brand. most of the time I would be bothered by that, but not as much here, given that this stem definitely delivers on its quality focus and offers the steeper angle (-10) that many others don't.

    Solid, expensive for weight