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
• Beyond Black anodized with black logos
• Material: Aluminum
• Color: Beyond Black
• S.H.I.S. Stem Clamp Diameter: 28.6
• Length: 80
• Bar Clamp Diameter (mm): 31.8
• Defined Color: Black
• Stack Height: 41
• Weight: 125
• Stem Angle (deg): +17 , -17