About The Product
- High quality and super durable chain based on the Izumi-V with a focus on reducing drivetrain resistance
- Increased durability and reduced friction through the use of a specialty PTFE treatment
- Suitable for track racing, BMX and single speed E-Bike use
- NJS certified for track use
Elevate your cycling performance with the Izumi Kai Chain 1-Speed 106 Links NJS Screw Type - the ultimate chain crafted for track racing, BMX, and single-speed E-Bike enthusiasts. Engineered for superior durability and efficiency, this high-quality chain is designed to meet the rigorous demands of competitive cyclists and serious riders alike.
Materials & Construction
Made from premium-grade steel, the Izumi Kai Chain features a robust 1/2 x 1/8-inch sizing, ensuring a precise fit for single-speed and track bikes. Its NJS-certified construction guarantees top-tier quality and compliance with Japanese Motorcycle Sport (NJS) standards, making it a trusted choice for professional track racers.
Performance & Engineering
Built for optimal drivetrain efficiency, this chain reduces resistance through advanced engineering. The specialty PTFE (Teflon) treatment applied to each link significantly enhances performance by decreasing friction, resulting in a smoother ride and improved power transfer. The 106-link configuration provides enhanced strength and longevity, ensuring your chain can withstand intense racing conditions.
Components & Technology
Featuring a durable NJS screw-type connector, the Izumi Kai Chain ensures quick and secure assembly, maintenance, and replacement. Its innovative design promotes greater longevity while maintaining consistent shifting performance, even under high-stress racing scenarios.
Style & Use Case
With its sleek black finish, the Izumi Kai Chain combines style with functionality. Designed explicitly for track racing, BMX, and single-speed E-Bikes, this chain is perfect for riders seeking reliable performance, reduced drivetrain resistance, and certification for competitive use. Its versatile construction also makes it suitable for various high-performance cycling setups.
Why Choose the Izumi Kai Chain?
- High durability with specialized PTFE treatment for reduced friction
- NJS certification for trusted track use
- Compatible with 1/2 x 1/8-inch drive systems
- Suitable for racing, BMX, and E-Bike applications
- Easy to install with NJS screw-type connector
Upgrade your drivetrain with confidence-choose the Izumi Kai Chain 1-Speed 106 Links NJS Screw Type for unmatched quality, performance, and competitive edge. Whether you're pushing limits on the velodrome or navigating city streets, this chain delivers the strength and efficiency you need to excel.
- High-quality Izumi Kai Chain features a durable construction based on the renowned Izumi-V design, optimized to reduce drivetrain resistance for improved speed and efficiency during racing or daily riding.
- Engineered with advanced PTFE (Polytetrafluoroethylene) treatment, this chain offers enhanced durability and significantly decreased friction, ensuring smoother gear shifts and extended lifespan for demanding cycling applications.
- Designed specifically for track racing, BMX, and single-speed e-bikes, the Izumi Kai Chain combines versatility with high-performance engineering suitable for competitive and recreational cyclists alike.
- NJS certified for track use, this screw-type chain meets strict Japanese boxing standards, guaranteeing optimal safety, reliability, and performance on the velodrome or street circuits.
- Constructed with precision components and innovative technology, the Izumi Kai Chain's 1/2x1/8 size and screw connector make installation straightforward, providing a reliable and long-lasting drivetrain component for serious cyclists.
| Specification | Value |
|---|---|
| Manufacturer | IZUMI |
| Manufacturer Part No. | IZUMI-KAI |
| Universal Product Code | 4589931950890 |
| Invoice Description | CHAIN IZUMI 1/2x1/8 S1 KAI 1s BK/BK 106L |
| Shipping Weight | 0.81 lbs. |
| Package Dimensions | 3.9 x 4.1 x 1 |
| HTS Number | 7315.11.0010 |
| Country of Origin | JAPAN |
| Speeds | 1sp |
| Size | 1/2x1/8 |
| Links | 106L |
| Connector | NJS Screw Type |
| Color | Black |
- Supplier:
- JBI
- Color:
- Black
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
-
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
