Zipp Service Course SL Stem 140mm Stem Length 31.8mm Bar Clamp 28.6mm Clamp

Lightweight and Durable Construction: Crafted from high-grade forged AL-7075 aluminum, the Zipp Service Course SL Stem offers exceptional strength and corrosion resistance, ensuring long-lasting performance on every ride.
Optimized for Stiffness and Power Transfer: With a stiffness-to-weight ratio of 1.85 g/Nm, this stem provides no-flex responsiveness during sprints and rapid accelerations, enhancing your cycling efficiency and handling precision.
Advanced Components & Engineering: Features machined relieved faceplate design and titanium hardware with TORX heads for precise torque adjustments, reducing weight without compromising durability and ensuring a secure, precise fit.
Versatile Fit & Style: Designed with a 140mm length, +6 or -6 adjustable angle, and a sleek matte black finish, this stem seamlessly integrates with 1-1/8" steerers and 31.8mm handlebars, complementing both performance and aesthetic needs.
Innovative Features for Performance Cycling: The Zipp Service Course SL Stem combines advanced aerospace-grade aluminum, precision-machined components, and a lightweight profile, making it ideal for competitive road cycling, triathlons, or high-performance training.

Experience precision and performance with the Zipp Service Course SL Stem 140mm - the ultimate upgrade for serious cyclists. Crafted from high-grade forged AL-7075 aluminum, this stem combines lightweight engineering with exceptional strength, ensuring optimal stability and power transfer on every ride. Materials & Construction: Made from aerospace-grade 7075 aluminum, the Zipp Service Course SL Stem offers a lightweight yet durable design. Its machined and relieved faceplate enhances rigidity while minimizing weight, weighing just 125 grams at 140mm length. The stem features robust titanium hardware with TORX heads, allowing for precise torque adjustments and long-lasting performance. Performance & Engineering: Designed for responsive handling, this stem boasts a stiffness-to-weight ratio of 1.85 N/m, enabling no-flex sprints and explosive accelerations. The 41mm stack height and +/-6 adjustable angles provide customizable fit and aggressive riding positions, making it ideal for both competitive racing and high-performance cycling. Components & Technology: Equipped with four faceplate bolts for secure clamping and a 31.8mm bar clamp diameter, the Zipp Service Course SL ensures universal compatibility with a wide range of handlebars. The all-titanium hardware and machined faceplate epitomize precision manufacturing, delivering consistent and reliable performance under demanding conditions. Style & Use Case: Finished in sleek Matte Black, the Zipp Service Course SL Stem combines aesthetic appeal with versatility, suited for road cycling, triathlon, and time-trial setups. Whether you're upgrading your race bike or customizing your performance machine, this stem delivers the perfect blend of style, function, and durability. Innovative & Differentiating Features: - Forged AL-7075 aluminum for superior strength-to-weight ratio - Machined, relieved faceplate for optimal stiffness and weight savings - Titanium hardware with TORX heads for precise torque and easy a