Zipp Service Course SL Stem - 31.8 Clamp, 1 1/8", Aluminum, Matte Black, B2

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