Description
Upgrade your cycling experience with the Zipp Service Course SL Stem 70mm 31.8mm (+/-6 ) – a perfect blend of lightweight performance, precision engineering, and sleek style. Crafted from premium 7075 aluminum, this high-performance bike stem delivers exceptional strength and durability without adding unnecessary weight, making it ideal for competitive racing and demanding rides.
Materials & Engineering Excellence
Constructed from forged AL-7075 aluminum, the Zipp Service Course SL Stem offers superior stiffness-measuring just 1.85 grams per newton meter-ensuring maximum power transfer during sprints and acceleration. Its machined and relieved faceplate minimizes weight while maintaining structural integrity, enhancing your bike’s responsiveness and handling.
Components & Innovative Features
Equipped with titanium hardware featuring TORX heads on all bolts, this stem provides precise torque adjustments for secure clamping and easy maintenance. The 31.8mm bar clamp diameter ensures compatibility with a wide range of handlebars, while the 28.6mm S.H.I.S. clamp diameter guarantees a tight, reliable fit. The 70mm length and adjustable +/-6 angle allow you to fine-tune your cockpit for optimal riding position and control.
Performance & Use Case
Designed for serious cyclists and weekend warriors alike, the Zipp Service Course SL Stem enhances stability and responsiveness across diverse terrains. Its lightweight profile (125g) reduces bike weight and improves handling, whether you’re climbing, sprinting, or descending. The matte black finish not only adds a sleek, professional look but also resists scratches and corrosion.
Style & Versatility
With a clean design and subtle branding, this stem seamlessly integrates with any bike setup, from aero road bikes to endurance machines. Its versatile geometry and reliable engineering make it an essential upgrade for riders seeking precision fit and improved performance.
Elevate your bike’s cockpit with the Zipp Service Course SL Stem – the premium choice for cyclists who demand excellence in materials, engineering, and style. Optimize your ride today with this high-performance, SEO-friendly component designed to drive results.
- Lightweight and durable forged AL-7075 aluminum construction delivers high stiffness and optimal power transfer, minimizing flex during sprints and climbs for enhanced performance.
- Designed with a machined and relieved faceplate, this Zipp Service Course SL Stem ensures precise handlebar fit and clean aesthetics, reducing weight without compromising strength.
- Equipped with titanium hardware featuring TORX heads, this stem offers effortless adjustment, superior torque integrity, and corrosion resistance for long-lasting reliability in all conditions.
- Perfect for road cycling and competitive racing, the 70mm length and versatile +/-6 angle provide customizable cockpit positioning, enhancing rider comfort and aerodynamics.
- Stylish matte black finish complements any bike setup, combining sleek aesthetics with high-performance engineering suitable for upgrading or replacing your existing stem.
| Stem Angle (deg) | +6 |
| Stem Angle (deg) | -6 |
| Length | 70 |
| Bar Clamp Diameter (mm) | 31.8 |
| Color | Matte Black |
| Weight | 125 |
| Material | Aluminum |
| Defined Color | Black |
| Stack Height | 41 |
| S.H.I.S. Stem Clamp Diameter | 28.6 |






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