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Zipp Speed Weaponry Service Course SL 31.8mm Bike Stem


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SKU SM2559
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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


  • Bar Clamp Diameter (mm): 31.8 mm
  • Color: Polished Black
  • Material: Aluminum
  • Length: 130 mm
  • Stem Angle (deg): +6 deg , -6 deg
  • S.H.I.S. Stem Clamp Diameter: 28.6
  • Stack Height: 41
  • Weight: 125 g