About The Product
- Bosch compatible MegaTooth E-bike chainrings
- Provides improved chain contact and retention
- 104 BCD
Upgrade your e-bike performance with the Full Speed Ahead Ebike MegaTooth Chainring for Bosch Gen 4 - engineered for durability, precision, and reliable power transfer. This high-quality 46-tooth chainring is designed specifically for Bosch Gen 4 eBike drivetrains, making it an essential upgrade for cycling enthusiasts seeking enhanced efficiency and chain retention on rugged terrains or urban commutes.
Materials & Construction
Constructed from premium aerospace-grade aluminum, the MegaTooth Chainring offers a lightweight yet robust solution for eBike enthusiasts. Featuring a bead blasted anodized black finish, this alloy chainring combines corrosion resistance with a sleek, professional look that complements any eBike setup.
Performance & Engineering
Harnessing advanced MegaTooth technology, this chainring provides exceptional chain retention, reducing the risk of chain drops during intense rides or challenging climbs. The 46-tooth configuration delivers a balanced gear ratio optimized for smooth acceleration and stable ride dynamics, making it perfect for both leisure riding and demanding off-road adventures.
Components & Technology
Designed with a 104 BCD (Bolt Circle Diameter) and a 4-bolt mounting pattern, this chainring ensures universal compatibility with Bosch Gen 4 eBike systems. The innovative tooth design enhances engagement and durability, while the precision-machined construction guarantees a perfect fit for seamless power transfer.
Style & Use Case
Featuring a sleek black finish, this chainring complements any eBike aesthetic, whether you're customizing your ride or replacing worn-out components. Ideal for eMountain biking, urban cycling, and leisure rides, it's built to withstand the rigors of daily commuting and trail riding alike.
Enhanced Features & Benefits
- Optimized for Bosch Gen 4 eBike drivetrains
- Durable, lightweight aluminum alloy construction
- Superior chain retention with MegaTooth technology
- Sleek anodized black finish for corrosion resistance and style
- Compatible with 104 BCD, 4-bolt mounting systems
- Perfect for off-road, mountain biking, and urban cycling applications
Elevate your eBike's performance with the Full Speed Ahead MegaTooth Chainring - combining innovative engineering, high-quality materials, and sleek design for a smoother, more reliable ride. Upgrade your bike today for enhanced efficiency, durability, and style on every journey.
- High-performance 46-tooth chainring crafted from lightweight, durable aluminum alloy for optimal strength and longevity on e-bikes.
- Features Full Speed Ahead's innovative MegaTooth technology, providing superior chain retention and reduced derailment risk during aggressive riding or technical terrain.
- Designed specifically for Bosch Gen 4 e-bike drivetrains with a 104 BCD bolt circle diameter, ensuring perfect fit and reliable shifting performance.
- Sleek black anodized finish not only enhances style but also offers corrosion resistance and minimal wear, maintaining a professional look over time.
- Ideal for e-bike riders seeking enhanced gear engagement and durability, this 4-bolt, black aluminum chainring is perfect for mountain biking, commuting, and high-performance cycling.
| Specification | Value |
|---|---|
| Manufacturer | FULL SPEED AHEAD |
| Manufacturer Part No. | 38000409012050 |
| Universal Product Code | 840031070814 |
| Invoice Description | CHAINRING FSA EBIKE BOSCH GEN4 46T 104 BK |
| Shipping Weight | 0.26 lbs. |
| Package Dimensions | 8.9 x 7.4 x 0.3 |
| Country of Origin | TAIWAN |
| Mount Compatibility | 104mm 4-bolt |
| Teeth | 46T |
| Type | Bosch Gen 4 |
| Material | Alloy |
| Color | Black |
| Tooth Type | Narrow/Wide |
- 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