Zipp Service Course SL Stem 130mm Stem Length 31.8mm Bar Clamp 28.6mm Clamp | bike-stems-and-parts

Lightweight and durable, the Zipp Service Course SL Stem is crafted from high-grade 7075 aluminum, ensuring optimal strength-to-weight ratio for aggressive climbing and sprinting.
Engineered with a no-flex design featuring a stiffness of 1.85 Nm per Newton meter, this stem delivers precise handling, enhanced power transfer, and responsive steering during high-performance rides.
Equipped with titanium hardware and TORX head bolts, the stem allows for easy, tool-free adjustments and reliable torque management, reducing installation time and ensuring long-lasting durability.
Sleek matte black finish and an aerodynamic design make this stem a perfect match for both road and gravel bikes, providing a clean, professional look while supporting various handlebar angles (+17 /-17 ) for customizable fit.
Innovative forged and machined faceplate technology enhances strength and stability at the clamp points, making the Zipp Service Course SL Stem a top choice for serious riders seeking performance, style, and reliability.

Boost your bike's performance with the Zipp Service Course SL Stem 130mm 31.8mm 17 , a component designed for serious riders who demand precision, strength, and lightweight efficiency. Crafted from high-grade 7075 aluminum, this stem offers an optimal balance of durability and weight savings, ensuring superior handling and responsiveness on every ride. ### Materials & Construction Constructed from forged AL-7075 aluminum, the Zipp Service Course SL Stem provides exceptional strength-to-weight ratio. Its machined and relieved faceplate reduces unnecessary weight without sacrificing stiffness, delivering a sleek, aerodynamic profile that enhances your bike's overall aesthetic. Titanium hardware with TORX heads ensures precise torque adjustments, giving you confidence during installation and maintenance. ### Performance & Engineering Engineered for maximum stiffness, this stem boasts a stiffness-to-weight ratio of 1.85 grams per newton meter, minimizing flex during high-intensity sprints and rapid accelerations. The 17-degree adjustable angle (+17 / -17 ) offers versatile fit options, helping riders achieve their ideal cockpit position for comfort and aerodynamic efficiency. The 41mm stack height optimizes handlebar height, contributing to better control and confidence during climbs and descents. ### Components & Technology Featuring all-titanium bolts with TORX heads, the Zipp Service Course SL Stem allows precise torque settings, reducing the risk of over-tightening and component damage. The use of machined and relieved faceplate increases overall stiffness while maintaining a lightweight profile-perfect for competitive racing or high-performance training. ### Style & Use Case With its matte black finish, the Zipp Service Course SL Stem exudes a sleek, professional look suitable for all road and cyclocross bikes. Its 130mm length and versatile 17 angle make it ideal for endurance riding, time trials, criteriums, and aggressive fast-paced cycling. Whether you