About The Product
- 104mm/4B alloy chainrings for double cranksets
- Compatible with Shimano and Sram 104mm 4-bolt 10sp cranks
- Ramped and pinned for specific chainring combinations for precise and reliable shifting - see spec column for details
Upgrade your mountain biking performance with the Full Speed Ahead MTB Pro Double Chainring - the ultimate choice for serious riders seeking precision, durability, and seamless shifting. Designed specifically for 10-speed mountain bike drivetrains, this 36-tooth, 104 BCD, 4-bolt alloy chainring delivers maximum efficiency on rugged trails and challenging terrains.
Materials & Engineering Excellence
Crafted from high-grade CNC-machined AL7075/T6 aluminum, the FSA MTB Pro chainring offers superior strength while remaining lightweight, ensuring optimal power transfer without adding unnecessary weight to your bike. Its durable construction withstands the rigors of aggressive mountain biking, providing long-lasting performance in all conditions.
Innovative Components & Performance Features
Equipped with precisely engineered shifting ramps and stainless steel pins, this chainring ensures smooth, accurate gear changes even in demanding off-road environments. The D-10 design guarantees perfect compatibility with SRAM and Shimano 10-speed drivetrains, though it is optimized for FSA MTB cranksets for guaranteed fitment and optimal performance.
Design & Use Case
Featuring a sleek black finish and a standard 36-tooth configuration, the MTB Pro chainring is ideal for aggressive trail riding, enduro, and cross-country adventures. Its 104mm BCD and 4-bolt mounting pattern enable easy installation on compatible cranksets, providing a secure fit and reliable performance. The outer ring is designed to maximize power delivery and drivetrain efficiency, making it perfect for riders who demand precision and durability.
Why Choose the FSA MTB Pro Double Chainring?
- Optimized for 10-Speed Drivetrains: Ensures seamless shifting across all trail conditions
- Precision CNC Machined: Guarantees exact tooth geometry for smooth engagement
- Durable Alloys & Build Quality: Withstands the impacts of mountain biking adventures
- Enhanced Performance Technology: Improved ramp design for quick, reliable gear changes
- Compatible & Versatile: Fits 104mm BCD, 4-bolt cranksets, compatible with SRAM/Shimano 10-speed systems
Upgrade your mountain bike's drivetrain with the Full Speed Ahead MTB Pro Double Chainring, engineered for riders who demand reliability, precision, and performance on every trail. Elevate your riding experience-whether conquering technical climbs or shredding downhill-with this high-performance alloy chainring designed for serious mountain bikers.
- Optimized for 10-speed SRAM and Shimano mountain bike drivetrains, the Full Speed Ahead MTB Pro Double Chainring offers seamless shifting and reliable performance.
- Constructed from precision CNC machined AL7075/T6 alloy, this 36-tooth, black anodized chainring provides exceptional durability and lightweight strength for demanding trail riding.
- Featuring advanced shifting ramps and stainless steel pins, the D10 design ensures smooth, efficient gear transitions even under high-stress conditions on rugged terrains.
- Designed with a 104mm BCD and 4-bolt mounting, this double chainring is compatible specifically with FSA MTB cranksets, guaranteeing perfect fitment and optimal chain retention.
- Ideal for mountain biking enthusiasts seeking a high-performance component that combines innovative engineering with sleek style, the FSA MTB Pro Chainring enhances your drivetrain's responsiveness and durability.
| Specification | Value |
|---|---|
| Manufacturer | FULL SPEED AHEAD |
| Manufacturer Part No. | 380-0636I |
| Universal Product Code | 840031064387 |
| Invoice Description | CHAINRING FSA MTB ALY 104mm 36T 4B WB251B 2x10s BK (K) |
| Shipping Weight | 0.18 lbs. |
| Package Dimensions | 6.65 x 6.65 x 0.65 |
| Country of Origin | TAIWAN |
| Mount Compatibility | 104mm 4-bolt |
| Teeth | 36T |
| Material | Alloy |
| Spec | 36/24 |
| Color | Black |
| Chain Compatibility | 10sp |
| Tooth Type | Standard |
- 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
