Zipp Speed Weaponry Service Course SL Stem - 90mm, 31.8 Clamp, +/-6, 1 1/8", Aluminum, Matte Black, B2

★★★★★ 4.2 81 reviews

$94.99
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Product details

Management number 210368885 Release Date 2026/04/02 List Price $38.00 Model Number 210368885
Category

Upgrade your cycling cockpit with the Zipp Service Course SL Stem 90mm 31.8mm +/-6 , finished in sleek Matte Black. Crafted from high-grade 7075 aluminum, this road bike stem offers exceptional strength-to-weight ratio, providing riders with optimized performance and durability. Weighing only 125 grams, the Service Course SL stem combines lightweight design with maximum stiffness-delivering no-flex sprinting, precise handling, and confident acceleration for competitive cyclists and enthusiasts alike. Materials & Construction: Manufactured from forged AL-7075 aluminum, the Zipp Service Course SL Stem features a machined and relieved faceplate for reduced weight without sacrificing strength. Its durable matte black finish adds a professional look to your bike's cockpit, while titanium hardware with TORX heads ensures precise torque adjustment and long-lasting performance. Performance & Engineering: Designed for high-performance road riding, this stem boasts a stiffness of 1.85 Nm/mm, allowing no-flex sprints and rapid power transfer. The 41mm stack height and +/-6 adjustable angle (with +6 and -6 options) provide flexibility for rider comfort and cockpit fit customization, enhancing overall bike handling and ergonomics. Components & Technology: Features include a 31.8mm bar clamp diameter, S.H.I.S. standard for seamless integration with your handlebars, and a 1-1/8" steer tube diameter with a 28.6mm clamp diameter to match your fork. The machined faceplate with four bolts ensures secure clamping, while the titanium hardware ensures lightweight integrity and aesthetic appeal. Style & Use Case: Perfect for road cyclists, racers, and Gravel riders seeking a lightweight, reliable stem with a sleek matte black finish. Its versatile +/-6 angle allows optimal cockpit positioning, enhancing aerodynamics and comfort during long rides or intense sprints. Whether upgrading your current setup or building a new bike, the Zipp Service Course SL Stem offers a blend of style, functi

  • Lightweight and Durable Construction: Crafted from 7075 aluminum, the Zipp Service Course SL Stem offers exceptional strength-to-weight ratio, ensuring reliable performance during intense sprints and climbs while weighing only 125 grams for a sleek ride.
  • Optimal Performance & Engineering: Featuring a machined and relieved faceplate with titanium hardware and TORX bolts, this stem provides precise torque adjustment, minimal flex, and maximum stiffness (1.85 Nm per N), delivering responsive steering and confident handling.
  • Versatile Fit & Compatibility: Designed with a 90mm length, +/-6 adjustable angles, and standard 1-1/8 inch steerer tube compatibility, making it ideal for road cycling, racing, and performance-oriented bike setups.
  • Sleek Style & Finish: Executed in a matte black finish, the Zipp Service Course SL Stem combines minimalist aesthetic with functional design, elevating your bike's look while ensuring durability against road grime and elements.
  • Innovative Features & Components: Built with forged AL-7075 aluminum, machined faceplate, and titanium hardware, this stem offers cutting-edge technology and materials that enhance rigidity, adjustment precision, and overall cycling confidence.
UPC 710845861604
Size 90mm/6 deg
Color Matte Black
Fit Type The fit type of this bike stem is 41mm stack height and 31.8mm bar clamp diameter.
Brand Name Zipp
Sport Type Skiing
Unit Count 1.0 Count
Item Weight 0.4 Pounds
Skill Level All
Closure Type Pull-On
Manufacturer Zipp Speed Weaponry
Model Number 101939
Material Type Aluminum
Included Components Stems
Warranty Description Limited Warranty
Manufacturer Part Number 101939

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