The Zipp Service Course SL Stem, crafted from 7075 aluminum, features a shape thats 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

SPECS:

• Material:Aluminum
• Color:Matte Black
• S.H.I.S. Stem Clamp Diameter:28.6
• Length: 70-80-90-100-120-130-140-150
• Bar Clamp Diameter (mm):31.8
• Defined Color:Black
• Stack Height:41
• Weight:123
• Stem Angle (deg):+/-6 -or- +/-17