About The Product
- Box One Chain Tensioners are extruded then CNC-machined from 7075 aluminum for an optimal balance of strength and weight
- A minimalist design adds style while reducing their overall mass
- Laser-etched graphics that include wheel position guides and two 10mm mounting holes with 15mm of adjustment to ensure perfect adjustability
Enhance your mountain bike or fat bike with the Box Components Box One Chain Tensioner - the ultimate solution for precise chain management and smooth riding. Crafted from high-quality 7075 aluminum, this chain tensioner delivers an exceptional balance of durability, lightweight performance, and corrosion resistance for demanding off-road adventures.
Materials & Construction:
Manufactured from extruded and CNC-machined 7075 aluminum, the Box One Chain Tensioner offers industry-leading strength without adding unnecessary weight. Its robust construction ensures longevity and sustained performance in tough terrains, making it the perfect upgrade for aggressive riding or trail settings.
Performance & Engineering:
Designed with precision in mind, this tensioner features a minimalist, lightweight profile that reduces overall bike weight while maintaining structural integrity. The laser-etched graphics provide clear wheel position guides, ensuring straightforward installation and setup. With two 10mm mounting holes offering 15mm of adjustment, achieving perfect chain tension is quick and effortless, enhancing drivetrain efficiency and reducing the risk of chain drops.
Components & Technology:
Incorporating advanced engineering techniques, the Box One Chain Tensioner is optimized for easy compatibility with 10mm axles and 2-axle hole configurations. Its precise manufacturing process ensures smooth operation and consistent tensioning, critical for both trail riding and downhill performance.
Style & Use Case:
Featuring a sleek, minimalist design, the Box One Chain Tensioner complements modern bicycle aesthetics while improving functionality. Suitable for fat bikes, mountain bikes, and other single-gear setups, it's an excellent choice for riders seeking dependable chain management during aggressive rides or technical terrain.
Innovative & Differentiating Features:
- Crafted from 7075 aluminum for superior strength-to-weight ratio
- CNC-machined for high precision and durability
- Laser-etched guides for easy installation and accurate wheel positioning
- Adjustable mount with 15mm of travel for customized tensioning
Upgrade your bike's drivetrain with confidence - choose the Box Components Box One Chain Tensioner for reliable performance, sleek style, and peace of mind on every ride. Perfect for riders who demand the best in durability, weight savings, and precise chain control.
- Precisely CNC-machined from high-grade 7075 aluminum for superior strength, durability, and lightweight performance in mountain biking and road cycling applications.
- Optimized with laser-etched graphics, wheel position guides, and dual 10mm mounting holes with 15mm of adjustment, ensuring effortless and precise chain tension customization for any ride.
- Designed with a sleek, minimalist profile that reduces weight without sacrificing strength, enhancing bike aesthetics and performance for competitive cyclists and casual riders alike.
- Built with advanced extrusion and CNC-machining processes, providing exceptional stiffness and reliability under high-torque conditions and long-term use.
- Compatible with 10mm axles, this chain tensioner offers quick installation and secure fitment for integrated or single-speed setups, making it an essential upgrade for modern bicycle builds.
| Specification | Value |
|---|---|
| Manufacturer | BOX COMPONENTS |
| Manufacturer Part No. | BX-CT1-2X10M-BL |
| Universal Product Code | 616043831992 |
| Invoice Description | CHAIN TENSION ADJ BOX ONE 10mm/2-AXLE HOLE BU |
| Shipping Weight | 0.18 lbs. |
| Package Dimensions | 5 x 3 x 0 |
| Country of Origin | TAIWAN |
| Size | 10mm |
| Material | 7075AL |
| Color | Blue |
- 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
-
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