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Zipp Speed Weaponry Service Course SL Stem - 70mm, 31.8 Clamp, +/-6, 1 1/8", Aluminum, Matte Black, B2

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The Zipp Service Course SL Stem, crafted from 7075 aluminum, features a shape that’s strong and lightweight, resulting in a 1.85 grams per newton meter of stiffness. That results in no-flex sprints and accelerations.

  • Forged AL-7075
  • Machined and relieved faceplate
  • Features titanium hardware with TORX heads on all bolts for precision torque readings and ease of adjustment