About The Product
- 3D forged and CNC machined 6061-T6 alloy construction for a balance of strength and weight
- 4 bolt cold forged clamp face
- 40mm stack height
- 144g (100mm version)
Upgrade your cycling performance with the Full Speed Ahead Afterburner Threadless Stem, a precision-engineered component designed for serious road cyclists and mountain bikers alike. Crafted for optimal strength, lightweight performance, and sleek style, this stem is a must-have for enhancing your bike's handling and aesthetic appeal.
Materials & Construction
Made from high-grade AL6061-T6 aluminum, the Afterburner Threadless Stem offers the perfect balance of durability and lightweight design. 3D forging combined with CNC machining ensures superior strength and precise tolerances, delivering uncompromising reliability on every ride. The stem features a sandblasted black finish with polished black anodized laser graphics for a modern, professional look that resists corrosion and wear.
Performance & Engineering
Engineered with a +/- 6 angle, this stem provides customizable handling and bike fit adjustments to optimize comfort and control. The 40mm fork clamp stack height maintains a low profile for agile steering, making it ideal for aggressive riding styles and endurance cycling. Weighing only 144 grams in the 100mm length, this lightweight component enhances your bike's overall weight savings without sacrificing strength.
Components & Technology
Equipped with a 4-bolt cold-forged front clamp face, the Afterburner Stem ensures maximum clamp force and stability for secure handlebar integration. Designed for 31.8mm handlebars and 1-1/8 inch forks, it supports critical performance specifications required by competitive racers and recreational cyclists alike.
Style & Use Case
Featuring a sleek black finish with laser-etched graphics, the Afterburner Stem complements any bike aesthetic-from sleek road racers to rugged mountain bikes. Its versatile size options (60mm, 70mm, 80mm, 90mm, 100mm, 110mm) allow riders to fine-tune their handlebar reach and cockpit positioning for personalized comfort and handling. Whether tackling mountain trails, road races, or long-distance rides, this stem delivers precision control and dependable performance.
Innovative & Differentiating Features
- 3D forged and CNC machined AL6061-T6 alloy for strength-to-weight optimization
- Cold forged, four-bolt front clamp for enhanced durability and clamping force
- Laser-etched graphics for a high-tech appearance
- Increased customization with multiple sizes and +/-6 angle for tailored fit
Specifications
- Material: AL6061-T6 Aluminum
- Handlebar Clamp Diameter: 31.8mm
- Fork Clamp Diameter: 1-1/8 inch (28.6mm)
- Stack Height: 40mm
- Angle: +/- 6
- Weight: 144 grams (for 100mm length)
Elevate your ride with the Full Speed Ahead Afterburner Threadless Stem-engineered for performance, built for durability, and designed to give you precise control on every ride. Order now to experience this high-performance cycling component that combines style, engineering precision, and lightweight construction for ultimate riding confidence.
- 3D forged and CNC machined from high-quality AL6061/T6 aluminum provides exceptional strength-to-weight ratio, ensuring durable performance without compromising bike handling.
- Equipped with a 4-bolt cold forged front clamp and chromoly steel hardware, this stem delivers superior clamping force and stability for confident steering in both competitive and recreational riding.
- Designed with a sleek sandblasted black finish and polished black anodized laser graphics, it offers a modern, stylish look suitable for road bikes and performance-oriented cycling setups.
- Compatible with 31.8mm handlebars and featuring a 40mm fork stack height, the Full Speed Ahead Afterburner stem enhances rider ergonomics and adjusts stem length options (60-110mm) for personalized fit and control.
- Innovative engineering with a +/- 6 adjustable angle allows for precise cockpit customization, improving comfort, aerodynamics, and overall riding experience for road cyclists and enthusiasts alike.
| Specification | Value |
|---|---|
| Manufacturer | FULL SPEED AHEAD |
| Manufacturer Part No. | 175-5027 |
| Universal Product Code | 400310083203 |
| Invoice Description | STEM FSA AFTERBURNER 100mm +/-6d 31.8 BK (J) |
| Shipping Weight | 0.35 lbs. |
| Package Dimensions | 6.6 x 3.9 x 1.9 |
| Country of Origin | TAIWAN |
| Type | Road |
| Fork Dia | 1-1/8" |
| Length | 100 |
| Bar Clamp | 31.8 |
| Angle | +/- 6° |
| Color | Black |
| Material | 6061AL |
| Stack Height | 40 |
- 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
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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
