About The Product
- X-Flat Flat-Top chains are exclusively compatible with SRAM`s 12-/13-speed AXS drivetrains or Transmission/T-Type
- Pre-treated with KMC Go Wax at the factory for high efficiency and longer drivetrain life
- Not compatible with other 12-/13-speed systems or older SRAM groups
Elevate your cycling performance with the KMC X-Flat 12-speed Chain in sleek Silver, engineered specifically for SRAM 12/13 AXS and Transmission T-Type drivetrains. This high-performance chain features advanced materials and innovative design elements to ensure precision, durability, and seamless shifting.
Premium Materials & Construction
Constructed from hardened steel with a corrosion-resistant nickel plating, the KMC X-Flat 12-speed Chain offers exceptional strength and longevity. Its pre-waxed surface reduces friction, enhances smoothness, and simplifies installation, providing a maintenance-free experience for serious riders.
Performance & Engineering Excellence
Designed for optimal compatibility with SRAM's latest 12/13-speed electronic shifting systems, the X-Flat incorporates a flattop design that permits a narrower chain profile. This engineering advancement maximizes power transfer efficiency, reduces weight (253g per chain), and enhances chain stability during high-torque rides.
Components & Technology
Featuring KMC's proprietary X-Flat technology, the chain's low-profile links enable cleaner, more precise shifting across SRAM's AXS and Transmission T-Type cassettes. The 126 links ensure compatibility with complex drivetrains, providing a robust connection that withstands rigorous cycling conditions.
Style & Use Case
With its sleek silver finish, the X-Flat chain combines performance with style, making it ideal for competitive racing, mountain biking, and high-end road cycling. Its design allows for a narrower chain width, reducing weight and improving aerodynamics - perfect for riders who demand durability and speed.
Innovative & Differentiating Features
- Compatible exclusively with SRAM 12/13 AXS and Transmission T-Type systems for optimized performance
- Flattop design for a narrower, lighter chain capable of withstanding high torque
- Pre-waxed for reduced friction and effortless installation
- Corrosion-resistant finish for long-lasting durability in various conditions
Upgrade your drivetrain with the KMC X-Flat 12-speed Chain for an unbeatable combination of engineering innovation, lightweight performance, and sleek aesthetics. Designed to deliver professional-grade reliability and seamless shifting - gear up for your next ride today!
- Optimized for SRAM 12/13 AXS and Transmission T-Type drivetrains, the KMC X-Flat 12sp Chain delivers precise, reliable shifts with a unique flattop design that enables a narrower, more aerodynamic chain profile.
- Constructed from high-quality steel with a sleek silver finish, this chain ensures durability, corrosion resistance, and long-lasting performance in all riding conditions.
- Featuring pre-waxed technology, the KMC X-Flat reduces friction and wear for smoother, more efficient power transfer, while also extending chain life and reducing maintenance needs.
- Designed with 126 links for optimal compatibility with modern 12-13 speed mountain and road biking setups, providing seamless integration with your existing drivetrain components.
- Innovative flattop design enhances compatibility with advanced SRAM systems, making this chain ideal for enthusiasts seeking lightweight, high-performance cycling gear designed for racing and fast-paced riding.
| Specification | Value |
|---|---|
| Manufacturer | KMC |
| Manufacturer Part No. | CN12044 |
| Universal Product Code | 766759712044 |
| Invoice Description | CHAIN KMC X-FLAT 12s SL 126L |
| Shipping Weight | 0.67 lbs. |
| Package Dimensions | 4.05 x 3.95 x 0.75 |
| Country of Origin | TAIWAN |
| Speeds | 12sp |
| Size | 1/2x11/128" |
| Links | 126L |
| Material | DB/XSP/EPT/Ti |
| Color | Silver |
| Weight | 253g |
- 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
