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Zipp Service Course SL Stem

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Zipp Service Course SL Stem

Your stem has to resist flexing during sprints and accelerations, clamp securely to the fork and handlebar, and support your weight over significant impacts. It’s a difficult job, but the new Service Course SL stem is still able to combine strength, stiffness, and reliability at a weight of only 120 grams (100mm). High- strength 3D-forged construction, 7075 aluminium, and titanium bolts deliver an exceptional strength-to-weight ratio while allowing for smooth lines to complement the aesthetics of modern frames. During production, we take extra steps to ensure precise length and alignment across a range of fourteen sizes to meet any rider’s fitting needs.


  • Weight (100mm): 120g
  • Clamp Diameter: 31.8mm
  • Angle: ±6°/ ±17°
  • Steer tube diameter: 11/8
  • Stack height: 42mm
  • Clamp width: 40mm
  • Clamp torque: 4Nm

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