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FSA Energy Stem

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sale $74.24 $98.99

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  • Gray Logo, 130mm
    sale $74.24

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Energy Stem

Made with 3D-forged 2014 aluminum alloy, the FSA Energy Stem offers unparalleled levels of lightweight performance, strength, and stiffness for an aluminum stem. In fact, you'll find it's actually lighter than many of its carbon counterparts, coming in at only 111-grams for the 90-millimeter version.

Now that we've established the Energy Stem as light, you're probably wondering how it manages to stay exceptionally stiff and strong. In that case, note the 2014 aluminum alloy construction, which is one of the strongest lightweight alloys available, as backed by extensive use in the aerospace industry.

Rounding things out, the Energy Stem is finished with high-gloss black, with the faceplate secured by four titanium screws. The clamp diameter is 31.8-millimeters for use with standard drop bars. Rise is +/- 6-degrees and stack height is 40-millimeters.

  • 3D-forged 2014 aluminum alloy
  • 31.8-millimeter clamp diameter
  • 40-millimeter stack height
  • +/- 6-degree rise
  • Item #FSA001K

[stem] 2014 aluminum, [bolts] titanium
Clamp Diameter
Steer Tube Diameter
1 1/8in
Bar Attachment
Claimed Weight
[100mm] 113 g
Recommended Use
Manufacturer Warranty
2 years

Tech Specs

What do you think about this product?


>Rating: 4

Nice and light.

I've used it several times

Got this stem to dial in the fit on my CX bike. Its plenty light and the large faceplate and 4 bolts look like it will do a great job or keeping the bars from slipping over rough terrain. Looks great when paired with other FSA cockpit items. I only wish that the bolts on steerer tube clamp side were a little more recessed. They stick out a bit and look like they could do some knee damage in a crash.

>Rating: 3

Does job and price right

It does the job and the price is right, what more could you ask for.


Is 31.9 the correct diameter? It seems all of FSA stuff is normally 31.8.

Hey there, our apologies for that mistake, we have a typo on the website. The diameter is standard 31.8.