





CHAIN LOCK 824
CHAIN LOCK 824
The CHAIN LOCK 824 is your trusted partner for securing bikes, e-bikes, and scooters against theft. Designed with a 7mm square 4-sided hardened steel chain, this lock offers superior cut resistance and durability, making it ideal for everyday urban use.
With a flexible length of 2.96 feet (90 cm), it provides ample reach to lock your ride to bike racks, fences, poles, or other fixed objects.
The 4-sided square design adds extra strength to the chain, ensuring it’s tough against bolt cutters and leverage tools.
It’s universally compatible, suitable for standard bicycles, electric bikes, scooters, and more.
What makes CHAIN LOCK 824 even more reliable is its Sold Secure Bronze Certification, which assures tested protection in low to medium-risk areas.
Whether you’re locking up at the office, university, or a public place, this lock delivers peace of mind.
To enhance usability, the CHAIN LOCK 824 includes four precision-cut keys, giving you spares in case one gets misplaced. A durable weather-resistant fabric sleeve protects both the chain and your bike frame from scratches, rust, and wear due to daily use.
Whether you're a commuter, student, or casual rider, the CHAIN LOCK 824 combines flexibility, strength, and convenience — ensuring your ride stays safe wherever you go.
Key Features:
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Heavy-Duty 7mm Square 4-Sided Chain
Built with hardened steel links for superior resistance against cutting and sawing. -
Sold Secure Bronze Certified
Professionally tested for theft protection, ideal for low to medium-risk environments. -
Universal Compatibility
Perfect for bikes, e-bikes, scooters, and more — fits easily with most frames and objects. -
Protective Fabric Sleeve
Weather-resistant covering prevents rust and protects your bike’s paint from scratches. -
Includes 4 Spare Keys
Comes with four precision-cut keys for convenience and backup.
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Heavy-Duty 7mm Square 4-Sided Chain
Pairs well with

CHAIN LOCK 824
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
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Customer Support
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FAQ’s
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Contact Us
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Anti-Theft, Anti-Saw, Anti-Cut

Universal Compatibility

Includes 4 keys
Product details
From the brand
- Via Velo is a leading brand in the international bike lock market
- We pride ourselves on being a Canadian company run business that makes great products at great prices
- Our unparalleled customer feedback really lets it show
What's included
Product description
Sold Secure - Trusted Security Certification
Sold Secure is a security certification program that rigorously tests and certifies security products, including bike locks and safes, across various levels from Bronze to Diamond. It is supported by the UK Police and provides assurance of reliable protection against theft.

Via Velo Customer Q&A
Product Features & Specifications
What type of bike locks does Via Velo offer?
Via Velo offers a range of high-security locks, including U-locks, chain locks, and folding locks. Our locks are Sold Secure-rated and designed to provide maximum protection for your bike.
Are Via Velo locks weatherproof?
Yes! Our locks are made with rust-resistant materials and feature protective coatings to withstand harsh weather conditions.
How many keys come with my lock?
Our U-locks and chain locks typically come with four or two keys, depending on the model, so you always have spares. Please check the product details for the specific key count of your lock.
Does the U-lock come with a mounting bracket?
Yes, some U-locks include a durable mounting bracket for easy transportation, while others do not have a bracket. Some of our compact U-locks are designed to be easy to carry—they may fit in your pocket, while others can be stored in a backpack or carrier bag for convenience. Please check the product details for specific portability features.
What size U-lock should I choose?
We offer different sizes. A standard U-lock is great for securing the frame and one wheel, while a larger U-lock provides extra space for both wheels or additional accessories. You should check the inner size of the U-lock in our product images to ensure the best fit for your bike.
Security & Protection
Are Via Velo locks resistant to cutting and theft?
Yes! Our locks are made with hardened steel and anti-theft technology to resist cutting, leverage attacks, and drilling. However, any lock can be cut—it depends on how long it takes to break it. The security level is measured by the Sold Secure rating system: Diamond, Gold, Silver, and Bronze. Our locks are tested to meet high-security standards to delay theft attempts as long as possible.
👉 To maximize security, we recommend checking our [Via Velo Security Map] to understand how long you can safely leave your bike locked in different locations.
Is this lock Sold Secure rated?
Yes, select Via Velo locks are Sold Secure Gold or Silver rated, meaning they meet high-security standards tested by independent organizations.
Can I register my keys in case I lose them?
Yes! You can register your keys with us, and we’ll help you get a replacement if needed.
Key & Lock Issues
What should I do if I lose all my keys?
If you've registered your keys with us, you shall place an order for replacement keys. If not, you will need to replace the lock with a new one.
My key is difficult to turn. What should I do?
Try applying a small amount of graphite lubricant (avoid oil-based lubricants) into the keyhole to improve smoothness. If the issue persists, please contact our support team.
Can I order extra keys?
At this time, we do not offer extra keys separately, but we recommend keeping your spares in a safe place.
Installation & Use
How do I install the U-lock bracket?
If your U-lock includes a mounting bracket, it can be installed on your bike frame. Simply follow the included instructions or watch our online tutorial.
Can I lock my bike to any object?
We recommend locking your bike to sturdy, immovable objects such as bike racks or metal poles. Avoid thin poles or wooden structures.
Is the chain lock long enough for two bikes?
Our longer chain locks can secure two bikes if positioned properly. For extra security, consider using multiple locks.