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Specifications

  • Material: 7075 Aluminum
  • Stiffness: 1.85 grams per Newton meter
  • Clamp Diameter: 31.8mm
  • Rise: +/-6 degrees
  • Lengths: 70mm, 80mm, 90mm, 100mm, 110mm
  • Faceplate: Four-bolt

FAQ

What is the difference between the SL and standard Service Course stems?

The SL version is machined from premium 7075 aluminum and engineered to a specific stiffness target, making it stiffer and more precise than the standard Service Course stem while remaining in the aluminum category.

Is +/-6 degrees the right rise for me?

+/-6 is the most common stem rise for road and gravel setups, offering a nearly level bar position. If you need more stack height, consider the +/-17 version of this stem.

Does this stem fit carbon handlebars?

Yes. The four-bolt 31.8mm faceplate distributes clamping load evenly, making it safe and compatible with aluminum and carbon handlebars within the specified torque range.

Best For

Road racers and serious cyclists who want a proven, high-stiffness aluminum stem from Zipp with a +/-6 degree rise and multiple length options to match their fit.

Zipp Service Course SL Stem +/-6 Reviews:

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