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:

• High-strength and low weight AL6061 construction
• Smooth lines to complement the aesthetics of modern frames
• Strength, stiffness, and reliability at a weight of 130 grams (100mm)
• New faceplace and body geometry for greater stiffness and easier installation
• Mounts using four Torx T25 bolt heads

SPECS:

• Bar Diameter: 31.8mm
• Steerer Diameter: 1-1/8" (28.6mm)
• Length/Reach: 60, 70, 80, 90, 100, 110, 120, 130mm
• Stack Height: ?41mm
• Material: Aluminum
• Weight: 130g (100mm)