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

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

Specifications
Material: Aluminum
S.H.I.S. Stem Clamp Diameter: 28.6
Bar Clamp Diameter: 31.8 mm
Stack Height: 41 mm
Stem Angle: +/-6° or +/-17°
Color: Matte Black

Mfr Claimed Weight
125g