Zipp Service Course SL Stem 70mm Stem Length 31.8mm Bar Clamp 28.6mm Clamp Dia Matte Black

Upgrade your bike setup with the Zipp Service Course SL Stem 70mm in Matte Black - the perfect combination of performance, lightweight engineering, and sleek style. Crafted from high-grade 7075 aluminum, this stem is designed for cyclists demanding precision, durability, and efficiency on every ride. ### Materials & Construction Made from forged AL-7075 aluminum, the Zipp Service Course SL Stem offers exceptional strength-to-weight ratio, ensuring reliable performance without adding unnecessary weight. The machined and relieved faceplate not only enhances aesthetic appeal but also provides optimal strength and flexibility, making it a durable choice for both competitive racing and everyday riding. ### Performance & Engineering With a stiffness rating of 1.85 grams per newton meter, this stem delivers near-zero flex during sprints and high-output climbs, translating rider power directly to the bike frame for maximum efficiency. The 70mm length and +17/-17-degree adjustable angles allow precise cockpit positioning, while the 41mm stack height ensures compatibility with a variety of riders and bike geometries. ### Components & Technology Equipped with titanium hardware featuring TORX heads, the Zipp Service Course SL Stem offers superior precision torque settings and easy adjustments. The 31.8mm bar clamp diameter ensures compatibility with a wide range of handlebars, and the 28.6mm S.H.I.S. steerer tube diameter guarantees a secure fit on standard 1-1/8'' steerers. Four faceplate bolts provide a strong clamping force for reliable handling and control. ### Style & Use Case Designed with a sleek matte black finish, this stem complements any bike aesthetic, whether you're racing downhill, climbing steep gradients, or enjoying long-distance rides. The Zipp Service Course SL Stem is ideal for road cyclists, gravel adventures, and cyclocross riders seeking a lightweight, robust, and stylish cockpit component that enhances handling and overall rider confidence. ###

• Lightweight and durable, the Zipp Service Course SL Stem is crafted from forged 7075 aluminum for exceptional strength-to-weight ratio, ensuring reliable performance during intense sprints and climbs.
• Designed with precision machining, the relieved faceplate and titanium hardware with TORX bolts enable easy adjustments and optimal torque for a secure, rock-solid connection with your handlebars.
• Featuring a versatile +17 /-17 adjustable stem angle, this 70mm length stem offers customizable rider positioning for improved comfort and aerodynamics across various riding styles.
• Optimized for 1-1/8 inch steerers and 31.8mm bar clamp diameter, the matte black finish combines sleek style with corrosion resistance, making it ideal for both racing and endurance cyclists.
• Innovative engineering with a 41mm stack height and lightweight 125 grams ensures responsive handling and enhanced control, perfect for competitive road racing and high-performance cycling.