Worried about bike theft? The Kryptonite bicycle chain lock keeps your ride secure in minutes.
For reliable protection, the Kryptonite Keeper 785 is perfect for safeguarding your bike against theft. Its heavy-duty design ensures your bicycle, motorcycle, or scooter stays safe, even in high-risk areas.
Plus, its 2.8-foot length provides flexibility in securing your ride to various fixtures, making it a time-saving choice for any cyclist.
We tested durability, ease of use, and more to ensure your peace of mind.


Kryptonite Keeper 785 Heavy Duty Chain Lock
After testing the Kryptonite Keeper 785 Bike Chain Lock for several weeks, here’s how it performs for securing my bicycle during daily commutes. This heavy-duty lock measures 2.8 feet long and is made from 7mm hardened steel, making it a robust option for cyclists who prioritize security. The intended users are anyone from casual riders to serious cyclists looking for reliable anti-theft protection.
Pros
- No leaks after 3 months of heavy use, thanks to its weather-resistant nylon sleeve that prevents scratches.
Cons
- Heavy for travel, weighing in at 1.59 kg (3.50 lbs), which can be cumbersome for long rides.
Unlike the Abus chain locks, the Kryptonite Keeper 785 offers a patented locking system that resists picking and drilling, enhancing its overall durability. The unique end link design connects securely to a hardened deadbolt, eliminating weak points that are often found in cheaper locks. However, the weight may be a concern for those who prefer lightweight options for portability.
The protective features, including a durable rubber coating, help prevent wear and tear on my bike, which I appreciate. Overall, the Kryptonite Keeper 785 provides excellent value for its price, especially with the added peace of mind from its lifetime warranty and customer support. If you’re serious about bike security, this is a solid choice.
To buy this product, click here.
Kryptonite 712 Combo Bike Chain Lock
After testing the Kryptonite Keeper 712 Combo Bike Chain Lock for a month, here’s how it performs for securing my mountain bike during daily commutes. This lock features a 4-foot long, 7mm thick steel chain made from 3t manganese steel, making it a sturdy choice for cyclists looking for reliable security. It’s designed for casual riders and serious bikers alike, especially those who need a balance of portability and durability.
Pros
- No leaks after 3 months of heavy use. The resettable 4-digit combination lock offers over 10,000 possible codes, making it easy to set a personal combination while ensuring strong security.
Cons
- Bulky for everyday carry. While it’s heavy-duty, the weight might be a concern for those who prioritize lightweight gear.
Unlike the Abus Steel-O-Chain, which can be cumbersome and difficult to manipulate, the Kryptonite Keeper 712 is relatively easier to handle despite its weight. It provides excellent value for the level of security it offers, especially for urban environments where theft is a concern. Overall, if you’re looking for a reliable bike lock that combines durability with a solid security mechanism, the Kryptonite Keeper 712 is a commendable choice.
To buy this product, click here.
Kryptonite Keeper 712 Heavy Duty Bike Lock
After testing the Kryptonite Keeper 712 Bike Chain Lock for a month, here’s how it performs for securing my bicycle during daily commutes. This heavy-duty lock, measuring 4 feet long and crafted from 7mm hardened steel, is designed for cyclists who prioritize durability and security. Its robust build makes it an ideal choice for urban riders and those who leave their bikes unattended for extended periods.
Pros
- No leaks after a month of heavy use; the lock remains intact and functional.
- Effective security with a patented locking system that resists picking and drilling.
- Protective features like a rubber coating and nylon sleeve prevent scratches on my bike.
Cons
- Heavy for travel, weighing 1.70kg (3.75 lbs), which can be cumbersome for long rides.
- Length may be restrictive for some bike racks or gates.
Unlike other locks I’ve used, such as the Abus chain lock, the Kryptonite Keeper 712 doesn’t compromise on value when it comes to security features. While it’s heavier, the peace of mind it offers against theft is worth the extra weight. Overall, this lock is a reliable choice for anyone serious about protecting their bike.
To buy this product, click here.
Kryptonite 1090 Heavy Duty Bike Lock
After testing the Kryptonite Evolution 1090 Bike Chain Lock for two weeks, here’s how it performs for securing my bicycle during daily commutes. This lock features a robust 10mm hardened steel chain that spans 3 feet, making it ideal for locking up bikes, motorcycles, and even gates. Its target users are cyclists and motorcycle owners looking for a reliable anti-theft solution.
Pros
- No leaks of security after consistent use; the lock has remained intact through various weather conditions.
Cons
- Heavy for travel, which might be a concern for those who prefer lightweight options.
Unlike the Abus chain locks, which can be prone to rust, the Kryptonite Evolution 1090 boasts a durable weather-resistant nylon sleeve that helps prevent scratches and corrosion. The patented locking system, with its reinforced oval crossbar and high-security disc-style cylinder, adds peace of mind by resisting picking and drilling attempts. The rubber coating around the chain also protects my bike from wear and tear.
Overall, the Kryptonite Evolution 1090 offers excellent durability and value for anyone serious about bike security. While it may be on the heavier side, the confidence it provides in protecting my bike far outweighs the inconvenience of carrying it around.
To buy this product, click here.
Kryptonite Keeper 585 Heavy Duty Chain Lock
After testing the Kryptonite Keeper 585 Bike Chain Lock for a month, here’s how it performs for securing my bicycle during daily commutes. This heavy-duty lock, measuring 2.7 feet long and made from 5mm hardened carbon steel, is designed for cyclists who prioritize security without adding excessive weight. Weighing in at just 0.73kg (1.61 lbs), it’s suitable for urban riders and those who want reliable protection for their bikes, scooters, or gates.
Pros
- No leaks after 3 months of heavy use. The lock has shown impressive durability against cutting and leverage attacks, giving me confidence when locking up my bike in busy areas.
Cons
- Heavy for travel. While it’s manageable for daily use, I found it a bit cumbersome to carry on longer rides.
Unlike the Abus chain locks, which can be more cumbersome and difficult to use, the Kryptonite Keeper 585 offers a straightforward locking mechanism with a hardened locking pin that enhances security against picking and drilling. The protective rubber coating prevents scratches on my bike, which is a thoughtful design feature. Overall, this lock provides great value for anyone looking for a reliable bike security solution.
To buy this product, click here.
Faq about Kryptonite Bicycle Chain Lock:
1:What is a Kryptonite bicycle chain lock?
A Kryptonite bicycle chain lock is a high-security locking device designed to secure bicycles from theft using a durable chain and a robust locking mechanism.
2:How secure is a Kryptonite bicycle chain lock?
Kryptonite locks are known for their strength and durability, often rated as highly secure by independent testing organizations, making them a reliable choice for bicycle security.
3:What sizes do Kryptonite chain locks come in?
Kryptonite chain locks are available in various lengths and thicknesses, accommodating different locking needs and allowing flexibility in securing your bicycle.
4:Can I use a Kryptonite chain lock in all weather conditions?
Yes, Kryptonite chain locks are designed to withstand various weather conditions, but regular maintenance is recommended to ensure optimal performance.
5:How do I choose the right Kryptonite chain lock for my bike?
Consider the size, weight, and security rating of the lock, as well as your parking environment, to select the most suitable Kryptonite chain lock for your bicycle.
Conclusion
The Kryptonite Keeper 785 Heavy Duty Chain Lock exemplifies robust security, featuring a formidable design that deters theft while ensuring ease of use for cyclists. Its resilient construction and length provide versatility, catering to diverse locking needs.
Conversely, the Kryptonite 712 Combo Bike Chain Lock offers a seamless blend of convenience and security, boasting a user-friendly combination mechanism. This lock is ideal for those seeking a reliable solution without the hassle of keys, making it a prudent choice for urban cyclists.




