Description

For a finished look.

The Zipp Service Course SL Alloy Stem is a lightweight stem that performs.

While you most likely know Zipp for its wheels, its Service Course components, used to configure the cockpits of many riders in the pro peloton are just as popular. The Service Course SL Alloy Stem is situated between cost, weight, and performance.

It was constructed from 3D forged 7075 Aluminum for strength and stiffness that you'll find on the standard Service Course version. Tooling is the same as you'll notice from the near identical shape. What is different, is that the faceplate of the SL underwent a renovation of sorts and was shaped to reduce material. Additionally, titanium bolts were used. These small changes amount to a weight savings of 10grams over its bigger brother. The only obvious visual difference is that while the standard stem is matte black, the SL received a lustrous black finish.

The Zipp Service Course SL Alloy stem comes in 10mm increments from 70 to 130mm. Each length is available in either a ±6 or ±17degree rise. It has a 31.8mm clamp diameter and a stack height of 42mm.

  • 3D-forged aluminum construction resists flex for efficient sprints
  • Titanium bolts ensure highest strength and lowest weight possible
  • Four-bolt clamp distributes stress for reduced chance of failure

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Zipp Service Course SL Stem

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Here's what others have to say...

Will this stem work with carbon bars?

Responded on

Hi Randy, this stem will work with most carbon bars. Use come carbon assembly compound, check the torque spec for both the bar and stem, and torque it up to the the lowest of the two.

5 5

Best Alloy Stem Available

  • Familiarity: I've put it through the wringer

Sleek, stiff as hell and lighter than any carbon stem. Simply the best stem around.

Best Alloy Stem Available

HI, what size is the torx bolt? I only...

HI, what size is the torx bolt? I only have allen wrench

thx

Best Answer Responded on

Hey CBUP745747,

The Torx bolt size is T25.

Responded on

Don't worry. The Stem comes with a T25 Torx bit included in the package. You can just fit the Torx bit on a regular Allen wrench (4mm I think)

5 5

Tough enough for MTB

  • Familiarity: I've put it through the wringer

I run this stem on my HT 29er and it has been great for that application. Previously ran one on my road bike and had no issues either. It's nice that it has the T25 bolts, as almost every other bolt in my MTB is the same. The Beyond Black is a good look too, perfect for any "stealth" bike build.

Tough enough for MTB
4 5

As good as a stem gets.

  • Gender: Male
  • Familiarity: I've put it through the wringer

It can be tough to get excited about a stem, but if there is one to get excited about, its the Zipp Service course SL. Although it is an alloy stem, the weight of the SL is competitive with most of the carbon offerings out there. I like the simple aesthetic, and the torx bolts are a nice touch. Paired with my Zipp SLC2 handlebar, I've got a light, stiff cockpit that has worked well.

Responded on

The Zipp stems use T25 Torx bolts. This are the most common for bike parts, and come on many bike multi-tools.

Responded on

Don't worry. The Stem comes with a T25 Torx bit included in the package. You can just fit the Torx bit on a regular Allen wrench (4mm I think)

5 5

Great Stem-awesome Zipp quality

  • Familiarity: I've put it through the wringer

I mounted this one on my new bike and love it. Light weight,stiff and the beyond black color matches any bike.

5 5

Great Stem

  • Familiarity: I've put it through the wringer

Solid, stem - got the whole Zipp cockpit and this goes well. for 120mm weighed 130gm, not the lightest, but a very strong and solid stem. Would recommend the Zipp SL bar to go with this :)

5 5

Getting More Aggressive

I installed this stem on an Orbea TT bike to get into a more aggressive position. I get -17 degrees which dropped me quite a bit. I'm stoked going into this more aggressive position for the 2012 season.

5 5

Zipp Stem

Strong stem, and lighter than some carbon stems. Sleek looking too. Zipp also makes nice seatposts.