About The Product
- Zipp’s Service Course seatpost is lightweight and strong for security and designed to offer a precise fit at an affordable price
- Provides easy tool access to the downward facing bolt for easy setup and micro adjustments after it’s mounted
- 3D forged 6061 aluminum for affordability with high strength, low weight, and efficient use of every gram
- Available in 0 and 20mm setback options
Upgrade your cycling setup with the Zipp Service Course Seatpost - the perfect blend of lightweight performance, durability, and precise adjustability. Designed for serious riders and enthusiasts, this 31.6mm diameter seatpost offers exceptional strength with a sleek, bead blast black finish, adding a touch of understated style to any road bike or gravel setup.
Materials & Engineering Excellence
Constructed from high-quality AL-7050 aluminum, the Zipp Service Course Seatpost provides superior strength-to-weight ratio. Its 3D forged, single-piece design ensures optimal durability and stability under demanding riding conditions. Stainless steel hardware enhances corrosion resistance, guaranteeing longevity and consistent performance.
Performance & Innovative Components
The seatpost features an advanced dual bolt, low-profile micro-adjust cradle that allows for fine-tuned fore-aft positioning, enabling you to find the perfect saddle fit for comfort and power transfer. The 20mm offset maintains optimal saddle height and fore-aft alignment, improving pedaling efficiency and rider control. With a minimum insertion of 90mm and a length of 350mm, this seatpost offers versatile fit options for a wide range of rider anatomies.
Style & Use Case
Finished in a durable bead blast black, the Zipp Service Course Seatpost complements both performance road bikes and gravel bikes, making it ideal for competitive racing, endurance riding, or recreational cycling. Its sleek aesthetic and premium materials make it a reliable upgrade for those seeking a lightweight, secure, and aesthetically refined component.
Key Features:
- Precise, low-profile dual bolt micro-adjust cradle for enhanced saddle positioning
- 3D forged from AL-7050 aluminum for exceptional strength and lightweight performance
- Bead blast black finish with anodized aluminum construction for durability and corrosion resistance
- 20mm offset for optimal saddle fore-aft adjustment
- Standard double bolt clamp style compatible with most saddle rails
- Minimum insertion length of 90mm ensures secure saddle clamp
- Weight at only 245 grams for a performance-oriented, lightweight component
Elevate your cycling experience with the Zipp Service Course Seatpost - engineered for performance, built for durability, and designed for riders who demand the best. Whether upgrading your race bike or enhancing your endurance bike, this seatpost delivers a seamless blend of style, function, and technological innovation.
- Lightweight and durable Zipp Service Course seatpost engineered from 3D forged AL-7050 aluminum for superior strength-to-weight ratio.
- Features a low-profile, dual bolt micro-adjust clamp with a reversible design, allowing for precise for-aft saddle positioning and enhanced customization.
- Constructed with stainless steel hardware and a bead blast black finish, offering a sleek aesthetic combined with corrosion resistance for long-lasting performance.
- Designed for road cycling, this 31.6mm diameter seatpost provides an optimal 20mm offset and maximum height of 260mm, ensuring ergonomic fit and comfort during long rides.
- Innovative engineering with minimum insertion length of 90mm and easy, secure clamp setup makes it a versatile choice for competitive racers and avid cyclists seeking reliable performance and style.
| Specification | Value |
|---|---|
| Manufacturer | ZIPP |
| Manufacturer Part No. | 00.6818.048.003 |
| Universal Product Code | 710845862274 |
| Invoice Description | SEATPOST ZIP S-COURSE 31.6 350 20mmB-BK ALY B2 |
| Shipping Weight | 0.85 lbs. |
| Package Dimensions | 16 x 5.3 x 2 |
| HTS Number | SAS 67228 |
| Country of Origin | TAIWAN |
| Description | Road |
| Outer Diameter | 31.6mm |
| Length | 350mm |
| Color | Black |
| Material | AL6061 |
| Setback | 20mm |
- 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
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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
