Zipp's Service Course SL Stem, crafted from 7075 aluminum, features a shape that's strong and lightweight, resulting in a best-in-class 1.85 grams per newton meter of stiffness. That results in no-flex sprints and accelerations. This stem is a favourite of Zipp ambassadors and pro athletes.

- Distinctive Zipp cosmetics
- Zipp Quickview integrated computer mount available separately
- Lifetime warranty