Zipp Service Course SL 6 Degree Stem (Matte Black)

Zipp Service Course SL 6 Degree Stem Matte Black is a premium road bike stem engineered for riders who demand exceptional stiffness, lightweight performance, and precise bike fit. Constructed from high-strength 7075 aluminum, this stem delivers an outstanding stiffness-to-weight ratio, making it a favorite among professional athletes, Zipp ambassadors, and performance-focused cyclists.

Designed to provide maximum front-end rigidity, the Service Course SL Stem achieves a class-leading 1.85 grams per newton meter of stiffness. This results in responsive handling, efficient power transfer, and confidence-inspiring control during hard sprints, climbs, and accelerations. The no-flex design ensures that every watt of rider input is transferred directly to the bike.

Available with a ±6-degree angle and a wide range of lengths from 70mm to 150mm, the Service Course SL Stem allows riders to fine-tune their fit for optimal comfort and performance. Finished in a sleek matte black coating, it complements modern road, gravel, and endurance bike builds while maintaining Zipp's signature performance-driven design.

Whether racing, training, or riding long distances, the Zipp Service Course SL Stem delivers professional-level performance and reliability.

Key Features

• Brand: Zipp

• Model: Service Course SL Stem

• Material: 7075 Aluminum

• Stem Angle: ±6 Degrees

• Length Range: 70mm to 150mm

• Finish: Matte Black

• Performance Benefit: Class-Leading Stiffness-to-Weight Ratio

• Stiffness Rating: 1.85g per Newton Meter

• Application: Road, Gravel, and Endurance Cycling

• Usage: Racing, Training, and Performance Riding

Product Specifications

• Product Name: Zipp Service Course SL 6 Degree Stem

• Product Type: Road Bike Stem

• Series: Service Course SL

• Material Construction: 7075 Aluminum

• Stem Angle: ±6 Degrees

• Available Lengths: 70mm to 150mm

• Color: Matte Black

• Stiffness Ratio: 1.85g per Nm

• Installation Type: Standard Handlebar and Steerer Clamp System

• Intended Use: Road Cycling, Gravel Riding, Racing, and Endurance Riding

Performance & Stiffness

• 7075 Aluminum Construction: Provides exceptional strength with low weight

• Class-Leading Rigidity: Delivers responsive handling and direct power transfer

• Sprint-Ready Performance: Minimizes flex during hard accelerations and climbing efforts

• Optimized Geometry: Designed to meet the fit requirements of a wide range of riders

• Professional Proven Design: Trusted by Zipp-sponsored athletes and ambassadors

Why Choose This Product

• Premium 7075 Aluminum: Lightweight and extremely durable construction

• Outstanding Stiffness-to-Weight Ratio: Maximizes performance and control

• Wide Fit Range: Available in multiple lengths for precise bike fitting

• Race-Proven Performance: Used and trusted by professional cyclists

• Sleek Matte Black Finish: Complements modern performance bike builds

• Trusted Zipp Engineering: Designed for reliability and long-term performance

In the Box

• 1 x Zipp Service Course SL 6 Degree Stem Matte Black