About The Product
- All KMC chains include either a missing link or replacement pins
Upgrade your bike's drivetrain with the KMC Z7 Chain - the perfect 7-speed chain designed for durability, smooth shifting, and reliable performance. Crafted with high-quality materials and innovative engineering, this gray/brown chain is a must-have for riders seeking efficiency and longevity.
Materials & Construction
The KMC Z7 Chain is built from premium-quality SP/HGC alloy, ensuring exceptional strength and resistance to stretching. Featuring a full-nickel plating finish, this chain provides enhanced corrosion resistance for extended use in diverse riding conditions. The chamfered inner plates reduce friction, promoting smoother gear shifts and quieter rides.
Performance & Engineering
Engineered for 7-speed drivetrains, the Z7 chain offers high pin power with reinforced durability, making it ideal for urban commuting, mountain biking, and recreational riding. Its precision craftsmanship ensures consistent engagement and seamless shifting across all gears, even under challenging terrains. The Z-bridge shape design enhances chain stability, reducing wear and increasing lifespan.
Components & Technology
Equipped with a reusable master link for quick installation and maintenance, the Z7 chain simplifies installation and repair. Its standard 1/2x3/32 size ensures compatibility with most 7-speed cycling systems. The chain's innovative chamfered plates and Z-bridge shape further optimize performance, minimizing pedal resistance and maximizing power transfer.
Style & Use Case
Featuring a sleek gray/brown aesthetic, the KMC Z7 Chain complements a wide range of bicycles, from mountain bikes to city commuters. Its robust construction and smooth operation make it suitable for daily commutes, mountain trail adventures, and casual rides. Whether upgrading an existing drivetrain or building a new bike, the Z7 chain delivers dependable performance with a subtle, stylish look.
Key Features:
- 116 links for versatile chain length options
- Designed for 7-speed drivetrains
- Full-nickel plated for corrosion resistance
- Chamfered inner plates for smooth shifting
- Reinforced durability and quieter ride experience
- Compatible with internal geared hubs and traditional derailleur systems
- Easy installation with reusable master link
Enhance your cycling experience with the KMC Z7 Chain - engineered for reliability, performance, and enduring quality. Perfect for riders who demand smooth shifting and long-lasting durability from their bike components.
- Enhanced durability with high-strength pin construction for reliable 7-speed performance and smooth, quiet riding.
- Chamfered inner plates and Z-bridge shape optimize shift smoothness and minimize noise during gear changes.
- Constructed from premium SP/HGC materials with full nickel plating, ensuring corrosion resistance and long-lasting performance in all conditions.
- Designed for versatile use, ideal for mountain, hybrid, and city bikes with internal geared hubs, providing excellent performance across a variety of cycling styles.
- Features a reusable master link for easy installation and maintenance, making chain replacement quick and straightforward to keep your bike running smoothly.
| Specification | Value |
|---|---|
| Manufacturer | KMC |
| Manufacturer Part No. | CN50507 |
| Universal Product Code | 766759950507 |
| Invoice Description | CHAIN KMC Z7 INDEX 6/7/8s GY/BR 116L |
| Shipping Weight | 0.73 lbs. |
| Package Dimensions | 4 x 3.9 x 0.8 |
| Country of Origin | TAIWAN |
| Speeds | 5/6/7/8sp |
| Size | 1/2x3/32 |
| Links | 116L |
| Material | SP/HGC |
| Color | Grey/Brown |
| Weight | 340g |
- 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
