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Adjust Your Angles with Specialized’s Comp-Set Stem

Written by Tyler Benedict
7 Comments
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specialized-adjustable-angle-stem3

Look closely…does something seem wrong with this picture?

It caught my eye as I was wandering about Cycles de Oro’s floor, and it’s a unique little item that Specialized makes but hasn’t really promoted.  Called the Comp-Set stem, it uses an angled shim between the steerer tube and the stem to create a wide range of angles, letting you dial in the fit of your bike.

Two stem angles are offered, 12º and 24º, and the shims provide up to an additional 20º of adjustment (up to 10 positions at 2º adjustment each).  They’re available in 12 lengths and made for oversize 31.8mm handlebars.  They include a top cap and weigh in at 172g (110mm).

Pics of the shims and insides after the break…

specialized-adjustable-angle-stem2

specialized-adjustable-angle-stem1

MSRP is $45.00.
Tyler Benedict
11,281 articles

Tyler Benedict is the Founder of Bikerumor.com, where he’s been writing about the latest bikes, components, and cycling technology for almost two decades. Prior to that, Tyler launched and built multiple sports nutrition brands and consumer goods companies, mostly as an excuse to travel and ride in new places.

Based in North Carolina, Tyler also loves the Vanlife & family adventure travel and is always on the lookout for the next shiny new part and off-grid adventure.

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Mick
Mick
14 years ago

Felt also offers the identical stem system (2.1 stem), but also to little or no fanfare…
It would be nice to see this stem idea adopted by more companies

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Paul
Paul
14 years ago

They don’t just offer this set up in the comp level stems, either. They offer it in their upper end S-works stem, which is only 150 grams in a 110mm, and has a really nice carbon clamp and top cap. Nice stuff!

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shep
shep
14 years ago

looks creaky….

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Zach Overholt
Admin
Zach Overholt
14 years ago

A couple things to keep in mind before using these stems, you can not run spacers on top of the stem due to the angled top face of the stem. Also you must use the supplied top cap that is angled to match the stem. I have seen a lot of headset problems, and ruined starnuts and compression bolts due to people using these stems in the aforementioned ways.

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Harri
Harri
14 years ago

Ask more about the usefulness ot these nice stems from your local Bikefitter 😀
http://cdn.specialized.com/bc/microsite/bgfit/bgfit.html

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Chuck
Chuck
12 years ago

Not true about not being able to put a spacer on top of the stem. As long as you use the right cap, you’re good with a spacer there. My stock Stumpjumper came with one spacer on top (and three on the bottom) of the stem.

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Paul
Paul
10 years ago

I have a Felt and would like to experiment with a different sized stem (110). The kit is unavailable. I would be amenable to the specialized kit (comp level) if I knew where to buy it, otherwise, I guess that I will have to play around with an external type of adjustable stem and ultimately replace it with a stem of fixed angle.

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