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)
Enhance Your Mountain Biking Performance with the Full Speed Ahead Afterburner Threadless Stem Bar 31.8mm 100mm 12 Black
Optimize your trail riding with the FSA Afterburner Threadless Stem Bar, designed for serious mountain bikers seeking durability, precision, and versatility. Crafted from high-grade AL6061-T6 aluminum, this 100mm stem provides a lightweight yet robust platform that withstands the rigors of aggressive terrain and technical descents.
Materials & Engineering Excellence
Constructed from forged aluminum (AL6061-T6), the FSA Afterburner Stem ensures superior strength-to-weight ratio, durability, and corrosion resistance. Its sturdy alloy design offers dependable performance, making it ideal for trail and cross-country (XC) applications. The precise machining and finishing contribute to a sleek aesthetic while maintaining high structural integrity.
Advanced Components & Technology
Featuring a versatile 12 angled design and a 100mm extension, this stem allows for customizable rider positioning and handling. The 31.8mm clamp diameter fits most modern mountain bike handlebars, ensuring a secure and slip-free connection. With four face plate bolts, installation is quick and reliable, delivering consistent steering responsiveness in challenging trail conditions.
Style & Use Case
The FSA Afterburner Stem's sleek black finish complements any mountain bike setup, providing a professional and aggressive look. Its trail-ready geometry balances control and agility, making it the perfect choice for riders tackling technical terrain, steep climbs, and fast descents. Whether you're upgrading your existing cockpit or building a new trail machine, this stem offers the performance you need.
Innovative & Differentiating Features
- Forged AL6061-T6 aluminum construction for optimal strength and weight savings
- 12 adjustable angle for personalized rider positioning and handling
- 100mm length provides ideal reach for aggressive trail riding
- Durable alloy design with a sleek black finish for a stylish look
- Designed to withstand rigorous off-road conditions, ensuring long-lasting performance
Technical Specifications
- Material: AL6061-T6 aluminum
- Clamp Diameter: 31.8mm
- Stem Length: 100mm
- Angle: 12
- Finish: Anodized black
- Stack Height: 34mm
- Weight: 128 grams
- Compatible with 1-1/8" fork steerer tubes
Upgrade your mountain bike with the FSA Afterburner Threadless Stem Bar, engineered to deliver control, durability, and style on every trail. Whether you're tackling technical climbs or fast descents, this stem provides the dependable performance you need to push your limits.
- Enhanced durability and lightweight design with forged AL6061-T6 aluminum construction, providing reliable performance on aggressive mountain trails.
- Offers versatile +/-12 adjustable angle and a 100mm extension, allowing riders to customize their cockpit for optimal control and comfort on technical terrains.
- Engineered with trail-ready features, including a 31.8mm clamp diameter and robust face plate bolts, ensuring secure handlebarAttachment and durability under demanding conditions.
- Designed for mountain biking and XC use, this black, sleek, and corrosion-resistant stem blends style with function, making it suitable for aggressive trail riding and competitive cycling.
- Innovative forging and precise engineering deliver improved steering response and stability, making the FSA Afterburner Stem an essential component for riders seeking performance, reliability, and a lightweight profile.
| Specification | Value |
|---|---|
| Manufacturer | FULL SPEED AHEAD |
| Manufacturer Part No. | 175-0015067090 |
| Universal Product Code | 840031002747 |
| Invoice Description | STEM FSA AFTERBURNER 100mm +/-12d 31.8 BK |
| Shipping Weight | 0.31 lbs. |
| Package Dimensions | 6.4 x 3.9 x 1.9 |
| Country of Origin | TAIWAN |
| Type | Road |
| Fork Dia | 1-1/8" |
| Length | 100 |
| Bar Clamp | 31.8 |
| Angle | +/- 12° |
| Color | Black |
| Material | AL6061-T6 |
| 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
-
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
