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Load image into Gallery viewer, Zipp Service Course Stem 120mm 31.8 Clamp +/-25 1 1/8 in Blast Black B2 Aluminum

SKU: STEM0540

Zipp Service Course Stem 120mm 31.8 Clamp +/-25 1 1/8 in Blast Black B2 Aluminum

Regular price $55.95
$65.00 Sale price $55.95 Regular price
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Description
Specifications

Upgrade your cycling cockpit with the Zipp Service Course Stem 120mm, designed for riders who demand precision, durability, and style. Crafted from high-grade Forged AL-6061 aluminum, this performance-oriented stem ensures optimal strength and stiffness, translating to better power transfer and control on every ride. Its sleek bead-blast black finish with laser-etched graphics offers a modern, professional look that complements any bicycle setup.

Engineered with advanced components and technology, the Zipp Service Course Stem features a machined and relived faceplate for enhanced stiffness and smoother installation. Stainless steel hardware with TORX heads guarantees precise torque adjustments, making setup straightforward and reliable. The stem's versatile +/-25 angle, combined with a 120mm length, provides customizable fit options for various riding styles, whether climbing, sprinting, or descending.

Designed for compatibility with 31.8mm handlebar clamps and a 28.6mm S.H.I.S. stem clamp diameter, this lightweight (only 150 grams) stem is perfect for road cycling, gravel riding, or cyclocross. Its durable aluminum construction and innovative design deliver a reliable connection between handlebars and fork steerer tube, enhancing rider confidence and responsiveness.

Key Features:

- Material: Forged AL-6061 Aluminum for maximum strength and weight savings

- Performance & Engineering: Machined relief faceplate, precision stainless steel TORX hardware

- Components & Technology: Enhanced stiffness, easy installation, laser-etched graphics

- Style & Use Case: Blast black finish, versatile +/-25 angle, ideal for road, gravel, and endurance riding

- Compatibility: 31.8mm handlebar clamp, 28.6mm S.H.I.S. clamp diameter

- Dimensions: 120mm length, 41mm stack height, weight 150 grams

Optimize your bike's handling and aesthetic with the Zipp Service Course Stem-an elite blend of performance, style, and reliability. Whether upgrading your current setup or building a new bike, this stem offers the features and quality that serious cyclists rely on.

  • Constructed from durable forged AL-6061 aluminum for lasting strength and lightweight performance.
  • Engineered with a redesigned faceplate and body to enhance stiffness, providing improved handling precision and rider control.
  • Features stainless steel hardware with TORX heads for easy installation, reliable torque application, and minimal maintenance.
  • Designed with a sleek Blast Black finish and laser-etched graphics, offering a modern, aggressive look suitable for both performance and style.
  • Optimized for versatile use with +/-25 degree adjustable angles, 120mm length, and compatibility with 31.8mm handlebars, making it ideal for road and mountain cycling setups.
Stem Angle (deg)+25
Stem Angle (deg)-25
Length120
Bar Clamp Diameter (mm)31.8
ColorBlast Black
Weight150
MaterialAluminum
Defined ColorBlack
Stack Height41
S.H.I.S. Stem Clamp Diameter28.6
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We pride ourselves on our ability to ship and deliver your gear with excessive speed! We ship from 22 locations throughout the United States and most orders will arrive in 3 days or less with Free Shipping on orders over $75!

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Most orders placed during the workweek before 1:00 PM Eastern time ship the same day, but during peak/holiday season or depending on inventory location handling time can take up to 48 hours. If you have questions regarding shipping estimates, don't hesitate to get in touch with us before placing the order. There is a direct signature requirement for all orders over $500.

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If you need to return your order please email us at info@365cycles.com, call us at 603-968-5797, or use the live chat on our site.

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365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

Living an active lifestyle is just that, a lifestyle that never goes away and our goal is to always exceed your expectations so we can take this lifelong journey together. We strive to have the parts you need, at competitive prices with unmatched shipping speeds!

If there is ever an issue with an order we will work at warp speed to fix our mistake and make sure you never go a day without a bicycle! If you are not receiving the quality of service you need from one of our exceptionally qualified bicycle experts, tell them Ben Berman told you to tell them "Customer Loyalty" and then name your terms.

Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


Company Core Values: 

These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

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Customers, 365 Team, Partners, all need the will to win. Bring the Will to Win to every conversion.

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If you want to go fast, go alone, if you want to go far, go together. Get your team involved and become stronger together.

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Customer Reviews

Based on 11 reviews
82%
(9)
18%
(2)
0%
(0)
0%
(0)
0%
(0)
R
Randy Foote

Na

A
Amazon Customer

Great stem - good quality light and small as I needed.

C
Customer

Great stem - good quality light and small as I needed.;

J
James Van Brocklyn

The stem is fine but the bolts it came with both the pinch bolts for securing to the steering tube and face plate bolts were crap. The heads stripped right away. I had to use the bolts from the stem I was replacing instead.

J
James Van Brocklyn

The stem is fine but the bolts it came with both the pinch bolts for securing to the steering tube and face plate bolts were crap. The heads stripped right away. I had to use the bolts from the stem I was replacing instead.;