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Easton EA70 Aluminium Stem



Good performance and a decent price, if one of the available options suits

At every product is thoroughly tested for as long as it takes to get a proper insight into how well it works. Our reviewers are experienced cyclists that we trust to be objective. While we strive to ensure that opinions expressed are backed up by facts, reviews are by their nature an informed opinion, not a definitive verdict. We don't intentionally try to break anything (except locks) but we do try to look for weak points in any design. The overall score is not just an average of the other scores: it reflects both a product's function and value – with value determined by how a product compares with items of similar spec, quality, and price.

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Easton's EA70 Stem creates a solid front end and keeps the weight down. The Top Lock technology is clever, making this a good stem at a decent price.

  • Pros: Top Lock tech works well with carbon bars; sleek; lightweight
  • Cons: Limited sizes

Easton has used a lot of the features of the higher end EA90 to design this cheaper EA70 stem. You also get a similar look to the carbon EC range, just without the price tag. In fact, I'd say that at £49.99 this is a good upgrade option if you've got a great frame with some pretty basic finishing kit.

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This is more evolution than revolution. George tested the older version back in 2016 and he liked it, citing considerable bang for your buck compared to rivals.

So yes, I know what you're thinking, another aluminium stem. And you're pretty much right. Swapping this in for my trusty Pro Vibe 7s stem resulted in the same front end stiffness that I really like and the same road feedback that I'm not so fond of. Performance of a stem is difficult to judge, but the lack of a jarring ride is a good sign.

The EA70 comes in zero or +/- 7-degree rise options, slightly shallower than the Vibe's 10 degrees that I'm used to. Available lengths are 70, 80, 90, 100, 110 and 120mm, with a 1 1/8in steerer and a 31.8mm clamp diameter. One thing that I'm puzzled by is the narrowing of options from the one that George tested. That came in more lengths and +/- 6 and +/- 17-degree rise options.

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The 100mm that we have here tips the scales at 148g. That's a bit heavier than the 136g Ritchey WCS C220 84D stem, but at £85 the Ritchey is quite a lot more expensive.

One thing to note about this Easton stem is the fit protocol. Top Lock is how Easton wants you to secure the faceplate. As the name suggests, you tighten the top two bolts fully first and then secure the bottom bolts. That's different from the usual 'X' locking pattern and it's meant to do all sorts of good things including increasing stiffness and better clamping pressure distribution on the bar. I couldn't test these claims, but it's presented no problems with the carbon bars that I've been using this with.

Easton EA70 Aluminium Stem - 2.jpg

It's a decent price for an alloy stem, but you've got some choice for around £50. The Genetic STV stem that Stu tested is the same price, and just 120g for a 110mm length, while the Pro LT stem is a great budget option at just £34.99.

If you're looking for an upgrade over a basic stock stem at a decent price then I'd definitely suggest you consider the Easton EA70 stem. The only thing that would stop me from buying it at the moment is the lack of a -10-degree option for my preferred fit.


Good performance and a decent price, if one of the available options suits test report

Make and model: Easton EA70 Aluminium Stem

Size tested: Clamp Diameter: 31.8mm

Tell us what the product is for and who it's aimed at. What do the manufacturers say about it? How does that compare to your own feelings about it?

From Easton:

"EA70 alloy continues to provide an impressive balance of performance and value. From lightweight aluminum tubing, to 3D forging processes and our TopLock technology, Easton alloy stems integrate careful design choices into the lineup. The EA70 stem is also compatible with the ICM Garmin mount (sold separately)."

Tell us some more about the technical aspects of the product?


WEIGHT 132 (100MM/0°)

RISE +/- 7°, 0°


STEERER 1 1/8"

LENGTHS 70, 80, 90, 100, 110, 120mm



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Tell us how the product performed overall when used for its designed purpose

Very well. Good front end stiffness without an overly harsh ride.

Tell us what you particularly liked about the product

The price makes it a good option for an upgrade of a stock stem.

Tell us what you particularly disliked about the product

The limited options.

How does the price compare to that of similar products in the market, including ones recently tested on

The Genetic STV is the same price, though I personally think that the Easton looks better. The Pro LT stem is a great budget option at just £34.99.

Did you enjoy using the product? Yes

Would you consider buying the product? Yes, if the sizes available suited my bike.

Would you recommend the product to a friend? Yes

Use this box to explain your overall score

Provides good stiffness at the front end without a huge price. But the limited sizes could present fit issues.

Overall rating: 7/10

About the tester

Age: 24  Height: 177cm  Weight: 62kg

I usually ride: Cannondale Supersix Di2  My best bike is:

I've been riding for: 5-10 years  I ride: Most days  I would class myself as: Expert

I regularly do the following types of riding: road racing, time trialling, cyclo-cross, commuting, club rides, general fitness riding, I specialise in the Cafe Ride!

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