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Zipp Service Course Stem
Built for Strength, Stiffness, and Style
current price, $47.99
The Zipp Service Course Stem provides everything you need in a stem: strength, stiffness, reliability, and a precise fit, all with a sleek, modern look. Engineered for performance, the Service Course Stem features a body and faceplate design for enhanced stiffness, making it easy to install while optimizing stability. Crafted from AL-6061 aluminum, it boasts an impressive stiffness-to-weight ratio, resisting flex during sprints and accelerations to meet the demands of serious riders.
Key Features
- Optimized Design for Stiffness and Installation: The geometry of the faceplate and body enhances stiffness and streamlines installation, ensuring a secure fit.
- Versatile Aesthetic Options: Available in bead-blast black or bright silver to suit your style.
- Range of Lengths for Precise Fit: Multiple length options (from 60mm to 130mm) to suit any riding preference.
- Leading Stiffness-to-Weight Ratio: 3D-forged construction maximizes strength without adding unnecessary weight.
- Secure Four-Bolt Faceplate: Uses Torx® T25 bolt heads for secure attachment.
- Zipp QuickView Mount Compatible: Integrated mount available separately for added versatility.
- Backed by Zipp's Lifetime Warranty: Learn more about Zipp's Lifetime Warranty here for confidence in your purchase.
Specifications
- Material: AL-6061 Aluminum
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Stem Angle/Rise: ±6°
- Length Options: 90mm, 100mm, 110mm
- Clamp Diameter: 31.8mm
- Steerer Clamp Diameter: 1-1/8 in
- Color/Finish: Bead Blast Black, Bright Silver
- Hardware: Steel
- Face Plate Bolt Distance: Horizontal - 27mm, Vertical - 42mm
- Weight: 152g (based on 6° 100mm stem)
RETURNS & EXCHANGES:
You have 30 days from receiving your order to request a return or exchange. Return shipping fees may apply. Some items are final sale / non-returnable.
Add the Package Protection Plan at checkout for free return labels, free exchanges, extended 60-day window, and coverage for loss/theft/damage in transit.
View full Return Policy .
SHIPPING:
Most in-stock items ship within 1 business day. You’ll receive tracking as soon as it goes out.
Learn more: Shipping Policy.
ASSEMBLY:
Complete bikes ship ~90% assembled, but final setup and tuning should be done by a professional mechanic. This keeps you safe and helps validate your warranty.
WARRANTY: Warranty activates when you submit proof of professional assembly.
- 5-year warranty on all bicycle frames
- 1-year warranty on non-consumable parts
- 2-year warranty on Essor USA products
Details: Warranty Policy.
SIZE CHARTS & SPECS:
Need fit or tech info? Find detailed geometry charts, size guides, and build specs here:
Size Charts & Specs.
SUPPORT:
Have a question or an issue with your order (damaged in shipping, missing items, etc.)?
Reach out and our team will take care of you:
Contact Us or email info@statebicycle.com.


