About The Product
- Zipp’s Service Course SL Stem, crafted from 7075 aluminum, features a shape that’s strong and lightweight, resulting in a best-in-class weight to stiffness ratio
- High stiffness results in no flex sprints and accelerations
- Matte Black nano blast aluminum
Elevate your cycling performance with the Zipp Service Course SL Stem 90mm 31.8mm +/-6 , a premium road bike stem engineered for strength, lightweight agility, and precision handling. Crafted from high-grade 7075 aluminum, this stem delivers exceptional durability and stiffness, ensuring no-flex responsiveness during sprints, climbs, and high-intensity rides.
Materials & Construction:
Made from forged AL-7075 aluminum, the Zipp Service Course SL Stem combines durability with a lightweight profile, weighing only 125 grams at 100mm length. Its machined and relieved faceplate enhances structural integrity while reducing weight, offering an optimal balance of strength and agility. The matte black finish adds a sleek, professional aesthetic to any road bike setup.
Performance & Engineering:
Designed with a stiffness-to-weight ratio of 1.85 Nm/mm, this stem minimizes flex and vibrations, providing a direct transfer of power and improved steering response. Its versatile +/-6 adjustable angles allow for personalized cockpit positioning, enhancing rider comfort and aerodynamics.
Components & Technology:
Equipped with titanium hardware featuring TORX heads across all bolts, the Zipp Service Course SL Stem ensures precise torque application and easy adjustments. The four faceplate bolts enable a secure attachment, reducing the risk of slippage and maintaining optimal handlebar alignment under demanding conditions.
Style & Use Case:
Ideal for competitive road cyclists and avid enthusiasts, this stem offers a sleek matte black finish that complements any bike aesthetic. Its 31.8mm bar clamp diameter and 1-1/8 steerer tube compatibility make it a versatile upgrade for road bikes seeking enhanced steering precision, control, and a clean, professional look.
Innovative & Differentiating Features:
- Precision-machined AL-7075 forged aluminum for maximum strength-to-weight ratio
- Titanium hardware with TORX heads for accurate torque and ease of maintenance
- Relieved faceplate design to reduce weight without compromising strength
- Adjustable +/-6 stem angles for customized rider positioning
- Sleek matte black finish for style and durability
Enhance your cycling setup with the Zipp Service Course SL Stem 90mm, engineered for serious road performance, superior handling, and long-lasting reliability. Whether sprinting on the flats or conquering mountain climbs, this stem ensures your bike responds precisely to your command.
- High-strength forged AL-7075 aluminum construction delivers exceptional durability and lightweight performance, reducing weight without compromising rigidity for competitive riding.
- Engineered with a 1.85 g/nm stiffness ratio, ensuring no-flex sprints and rapid accelerations during high-intensity climbs or sprints.
- Features titanium hardware with TORX bolt heads for precise torque adjustments, corrosion resistance, and easy installation and maintenance.
- Designed with a versatile +/-6 adjustable angle and a sleek matte black finish, perfect for customizing rider ergonomics and enhancing your bike's aggressive, modern style.
- Compatible with 1-1/8" steerer tubes and 31.8mm handlebars, making it an ideal upgrade for road cyclists seeking a lightweight, high-performance stem for racing and endurance riding.
| Specification | Value |
|---|---|
| Manufacturer | ZIPP |
| Manufacturer Part No. | 00.6518.039.002 |
| Universal Product Code | 710845861604 |
| Invoice Description | STEM ZIP S-COURSE SL 1-1/8x90x31.8 6d M-BK ALY B2 |
| Shipping Weight | 0.43 lbs. |
| Package Dimensions | 8.75 x 5.3 x 2.5 |
| HTS Number | SAS 67228 |
| Country of Origin | TAIWAN |
| Type | Road |
| Fork Dia | 1-1/8" |
| Length | 90 |
| Bar Clamp | 31.8 |
| Angle | +/- 6° |
| Color | M-Black |
| Material | AL7075 |
| Stack Height | 41 |
- Supplier:
- JBI
Bike Junkies offers no‑hassle returns and exchanges within 60 days of delivery. We want every customer to feel confident when shopping with us, and our return process is designed to be simple, fair, and fast.
Return Eligibility
To qualify for a return or exchange, the following conditions must be met:
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The item must be in new, unused, and uninstalled condition.
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All original packaging, tags, hardware, and accessories must be included and intact.
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Items showing wear, installation marks, damage, or improper use cannot be accepted.
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An order number is required.
Once your return is received at our warehouse, a refund will be issued within 5 days after inspection.
Refunds
Refunds are issued to the original form of payment once the returned item has been received and approved. If we are unable to refund to the original payment method, the refund will be issued as store credit.
Depending on your bank or credit card provider, it may take an additional 2–3 business days for the refund to appear in your account.
Exchanges
To make an exchange, simply complete the return process and then place a new order for the item you want instead. This ensures the replacement item is reserved and ships quickly.
How to Start a Return
To request a Return Authorization (RA#), contact us at support@bikejunkies.com. Please include your order number and the item you wish to return.
Once approved:
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You will receive a Return Authorization email with instructions.
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Print the prepaid label provided by us. ($9.99 will be deducted from your refund)
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Ship the item back within 7 days of the RA being issued as RA #'s are only valid for 7 days.
Please do not tape anything to the original product packaging. Place the item inside a proper shipping box. Using the manufacturer’s box as the shipping container will result in damage and the return may be rejected.
Be sure to keep your return tracking number. Powersport Junkies is not responsible for lost return shipments. You will receive a confirmation email once your return has been processed and refunded.
Defective, Incorrect, or Damaged Items
If you receive a defective, damaged, or incorrectly shipped item, contact us immediately. We will cover the return shipping cost and ensure the issue is resolved quickly.
Non‑Returnable Items
Certain items cannot be returned, including:
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Electronics with opened packaging or broken manufacturer seals
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Any part that has been installed or shows installation attempts
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Tools or chemicals that have been opened or unsealed
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Open‑box items with destroyed or missing packaging
Our Info
-
Storefront name: Bike Junkies
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Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
This Shipping Policy explains how orders are processed, handled, and delivered by Bike Junkies, including delivery timelines, shipping coverage, and special conditions for military addresses. It is designed to give customers a clear understanding of what to expect when placing an order.
Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.
Order Processing and Handling
Orders are processed quickly to ensure fast delivery. Our standard handling time is 0–1 business days. Order cutoff time is 12 PM PST Monday-Friday and orders placed after that will be shipped shipped next business day.
Transit Times
Once shipped, orders typically arrive within 2–3 business days. Transit times may vary slightly depending on the destination, weather conditions, or carrier-related delays. Delivery estimates apply only after the order has left our facility.
Delivery Schedule
Standard delivery occurs Monday through Friday. Saturday delivery may be available.
Shipping Coverage
Bike Junkies offers free shipping to the lower 48 states of the United States. We do not ship to the following locations:
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Alaska
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Hawaii
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Puerto Rico
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Any international destination outside the United States
Orders placed with shipping addresses in restricted locations will be canceled and refunded.
Military Shipping (APO/FPO)
Bike Junkies ships to APO/FPO military addresses using USPS only.
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We cannot ship hazardous materials or oversized items to military addresses due to carrier and military mail restrictions.
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Transit times to APO/FPO locations may vary significantly depending on military mail processing.
Address Accuracy and Delivery Issues
Customers are responsible for ensuring that all shipping information provided at checkout is accurate and complete. Bike Junkies is not responsible for delays, lost packages, or delivery failures caused by incorrect or incomplete addresses. If a package is returned due to an address error, additional shipping charges may apply to resend the order.
Lost, Delayed, or Damaged Shipments
If a shipment is delayed, lost, or arrives damaged, customers should contact us promptly so we can assist with initiating a claim or resolving the issue with the carrier. While we support the process, final decisions regarding claims are made by the carrier.
Tracking Information
A tracking number is provided via email once the shipping label has been created. Tracking updates may take up to 24 hours to appear after the label is generated.
Shipping Restrictions
Certain items may be subject to shipping restrictions due to size, weight, or hazardous material regulations. If an order cannot be shipped due to such restrictions, we will notify the customer to arrange an alternative solution.
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
For warranty issues please contact us at support@bikejunkies.com. Each Brand is different and we can provide instruction to complete warranty issues.
Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
