Zipp Service Course SL Road Stem, 110mm, +/-17 degree, 31.8mm, High Polished Black

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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