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  • Zipp Service Course SL Stem
  • Zipp Service Course SL Stem
  • Zipp Service Course SL Stem Detail
  • Zipp Service Course SL Stem Detail
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ZippService Course SL Stem
Sale 9% Off$99.99 $110.00

Item # ZIP001X

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  • Beyond Black, 70mm/-6deg ($99.99)
  • Beyond Black, 80mm/-6deg ($99.99)
  • Beyond Black, 90mm/-6deg ($99.99)
  • Beyond Black, 100mm/-6deg ($99.99)
  • Beyond Black, 110mm/-6deg ($99.99)
  • Beyond Black, 120mm/-6deg ($99.99)
  • Beyond Black, 130mm/-6deg ($99.99)
  • Beyond Black, 70mm/-17deg ($99.99)
  • Beyond Black, 80mm/-17deg ($99.99)
  • Beyond Black, 90mm/-17deg ($99.99)
  • Beyond Black, 100mm/-17deg ($99.99)
  • Beyond Black, 110mm/-17deg ($99.99)
  • Beyond Black, 120mm/-17deg ($99.99)
  • Beyond Black, 130mm/-17deg ($99.99)
  • Polished Black, 70mm/-6deg ($99.99)
  • Polished Black, 80mm/-6deg ($99.99)
  • Polished Black, 90mm/-6deg ($99.99)
  • Polished Black, 100mm/-6deg ($99.99)
  • Polished Black, 110mm/-6deg ($99.99)
  • Polished Black, 120mm/-6deg ($99.99)
  • Polished Black, 70mm/-17deg ($99.99)
  • Polished Black, 90mm/-17deg ($99.99)
  • Polished Black, 100mm/-17deg ($99.99)
  • Polished Black, 110mm/-17deg ($99.99)
  • Polished Black, 120mm/-17deg ($99.99)
  • Polished Black, 130mm/-17deg ($99.99)
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Item # ZIP001X
Description

Lightweight workhorse.

Zipp's entire Service Course line proves that aluminum still has a place in cycling componentry — it will never be as light as carbon, sure, but it will never be as expensive either, and that's enough of a reason for us to stand behind it. Zipp strikes an admirable balance between cost, weight, and performance with the Service Course SL Alloy Stem, which features a 3D-forged 7075 aluminum construction to give it a mix of superb strength and stiffness inspired by kit built for the peloton.

Both stems in the Service Course line are built in the same tooling, with smooth lines and a newly redesigned faceplate with enough negative space to for easy handlebar orientation. Compared to the pedestrian version, the Service Course SL stem drops some grams with CNC-machining and by replacing the stainless steel Torx bolts with titanium.

Tech SpecsWeight
Tech Specs
Material
[body] 7075 aluminum, [bolts] titanium
Length
100mm, 140mm
Rise
6°, 17°
Clamp Diameter
31.8mm
Steer Tube Diameter
1-1/8in
Stack
41mm
Recommended Use
cycling
Manufacturer Warranty
2 years
Weight

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

Have questions? Chat with a Gearhead

Grams

Oz

Beyond Black, 70mm/-6deg
125g
4.41oz
Beyond Black, 80mm/-6deg
121g
4.27oz
Beyond Black, 90mm/-6deg
136g
4.80oz
Beyond Black, 100mm/-6deg
144g
5.08oz
Beyond Black, 110mm/-6deg
146g
5.15oz
Beyond Black, 120mm/-6deg
147g
5.19oz
Beyond Black, 130mm/-6deg
151g
5.33oz
Beyond Black, 70mm/-17deg
120g
4.23oz
Beyond Black, 80mm/-17deg
125g
4.41oz
Beyond Black, 90mm/-17deg
126g
4.44oz
Beyond Black, 100mm/-17deg
134g
4.73oz
Beyond Black, 110mm/-17deg
139g
4.90oz
Beyond Black, 120mm/-17deg
145g
5.11oz
Beyond Black, 130mm/-17deg
151g
5.33oz
Polished Black, 70mm/-6deg
125g
4.41oz
Polished Black, 80mm/-6deg
121g
4.27oz
Polished Black, 90mm/-6deg
136g
4.80oz
Polished Black, 100mm/-6deg
144g
5.08oz
Polished Black, 110mm/-6deg
146g
5.15oz
Polished Black, 120mm/-6deg
147g
5.19oz
Polished Black, 70mm/-17deg
120g
4.23oz
Polished Black, 90mm/-17deg
126g
4.44oz
Polished Black, 100mm/-17deg
134g
4.73oz
Polished Black, 110mm/-17deg
139g
4.90oz
Polished Black, 120mm/-17deg
145g
5.11oz
Polished Black, 130mm/-17deg
151g
5.33oz

Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

125 g

Reviews & Community

REVIEWS

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Does the job, and does it well!

  • Familiarity: I've used it several times

This is a great, high quality, lightweight titanium stem. Zipp is always a great option.

Workhorse

  • Familiarity: I've put it through the wringer

The Service Course SL is the best bang for your buck. It's reliable, strong, light weight and it looks great!

Benchmark

    As we all know, Zipp makes some of the absolute best carbon road wheelsets in the world. They also make -fantastic-cockpit components.

    The "Service Course" SL is simply one of the BEST road stems made in the sport -especially for the price.

    Super high quality (3-D forged, aircraft grade, 7050 aluminum alloy), strong, light weight (Zipp says 135g in size 100mm) ...and... affordable. That is a combination that is hard to beat.

    In addition, Zipp's Service Course SL stem in their "beyond black" finish is absolutely stunning, one of the best looking road stems on the market today. This is bike jewelry.

    Install note: I strongly rec the use a quality torque wrench or one of Park's excellent new torque keys ($45) to tighten the bolts down to spec (6 Nm max torque). Don't over tighten. And you don't need to if you use a torque wrench.