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The Zipp Service Course SL combines lightweight construction with excellent stiffness, making it ideal for demanding sprints and accelerations. Made from 7075 aluminum, it offers best-in-class stiffness at 1.85 grams per newton meter, providing high performance without unnecessary flex. With a wide selection of angles and lengths, this stem is customizable for every rider. A favorite among Zipp pros and ambassadors, it's the ideal choice for the discerning cyclist.

1. Great stiffness-to-weight ratio - Inflexible sprints and acceleration.
2. Adaptability for different riders - Available in a wide range of lengths and angles.

• Material: Al-7075 for maximum strength
• Toughness: 1.85 grams per newton meter
• Angles: ±6° and ±17°
• Lengths: 70 mm to 150 mm
• Step Diameter: 31.8 mm
• Steering diameter: 1-1/8 in, 1-1/4 in
• Dark black color with stealth lettering
• Integrated Zipp Quickview mount (optional)
• Faceplate bolt spacing: 27 mm horizontally, 42 mm vertically
• Weight: 135 g (for 100 mm with ±6°)

Specifications:

Material: Al-7075
Angle/Pitch: ±6°, ±17°
Length: 70 mm, 80 mm, 90 mm, 100 mm, 110 mm, 120 mm, 130 mm, 140 mm, 150 mm
Steering stem diameter: 31.8 mm
Steering diameter: 1-1/8 in, 1-1/4 in
Color: Matte black with stealth lettering
Faceplate bolt spacing horizontal: 27 mm
Faceplate bolt spacing vertical: 42 mm
Weight: 135 g (for 100 mm with ±6°)