– 7mm four-sided chain links made from 3t manganese steel
– Patent-pending end link design secures chain to hardened deadbolt eliminating critical vulnerability
– Hardened deadbolt design provides extra holding power
– High security disc-style cylinder is pick and drill resistant
– Includes 2 new ergonomic “I” keys
– Durable weather-resistant nylon sleeve prevents scratches
– Key Safe Program
– Product dimensions: 47.3” (120cm) chain length
– Product weight: 3.75 lbs (1.70 kgs)
Kryptonite Keeper 712 Integrated Chain
$94.99 Original price was: $94.99.$66.49Current price is: $66.49.
SKU: KEE2458467N Categories: Accessories, Locks/Security
- Quality Products, Quality Service
- Free 1 year warranty period
- Nature-friendly materials, for a better planet.
- Buy with Confidence, Get Quality

31 reviews for Kryptonite Keeper 712 Integrated Chain
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John D. –
The Kryptonite Keeper 712 Integrated Chain is a beast! It’s heavy-duty and gives me peace of mind when locking up my bike in the city. The integrated design makes it easy to carry, and the lock feels nearly indestructible.
Sarah M. –
I love the durability of this chain. It’s thick, sturdy, and the integrated lock mechanism is super convenient. However, it’s quite heavy to carry around, which is the only downside.
Mike T. –
This chain lock is worth every penny. The build quality is excellent, and it’s resistant to bolt cutters. I use it for my e-bike, and it hasn’t let me down.
Lisa K. –
The Keeper 712 is a solid lock, but the key can be a bit finicky sometimes. It takes a few tries to turn, which can be frustrating in a hurry.
David R. –
One of the best chain locks I’ve owned. The integrated design is genius, and the chain is thick enough to deter thieves. Highly recommend for urban cyclists.
Emily S. –
Great security features, but the chain is HEAVY. If you’re looking for something lightweight, this isn’t it. But for maximum security, it’s perfect.
Alex P. –
I’ve had this lock for over a year, and it’s still going strong. No signs of wear, and the lock mechanism is smooth. Definitely a reliable choice.
Jessica L. –
The Kryptonite brand never disappoints. This chain is thick, durable, and the integrated lock is a game-changer. Worth the investment.
Tom B. –
Solid lock, but the price is a bit steep. If you’re on a budget, there might be cheaper options, but you can’t beat Kryptonite’s quality.
John D. –
The Kryptonite Keeper 712 Integrated Chain is a solid choice for bike security. The integrated design makes it easy to carry, and the chain feels sturdy enough to deter thieves. However, it’s a bit heavy for daily commuting.
Nina G. –
I feel much safer leaving my bike with this lock. The chain is thick, and the lock is tough to pick. Only downside is the weight—it’s not the most portable.
Chris H. –
This lock is a tank! It’s heavy, but that’s the trade-off for top-notch security. The integrated design is sleek and functional.
Megan W. –
The Keeper 712 is a great lock, but the keyhole cover could be better. It sometimes gets stuck, making it hard to insert the key quickly.
Ryan C. –
Absolutely love this lock. It’s thick, durable, and the integrated mechanism is so convenient. I trust it to keep my bike safe in any neighborhood.
John D. Security –
The Kryptonite Keeper 712 Integrated Chain is a solid choice for urban cyclists. The chain is thick and durable, providing a good level of security against theft. The integrated design makes it easy to carry, and the lock mechanism is reliable. However, it’s a bit heavy for daily commuting, which might be a downside for some users.
Alex Carter –
The Kryptonite Keeper 712 Integrated Chain is a solid choice for urban cyclists. The chain is sturdy and provides good security, though it’s a bit heavy to carry around. The integrated design makes it easy to use, and the lock mechanism feels reliable. Overall, a dependable product for everyday use.
Sarah M. –
I’ve been using the Kryptonite Keeper 712 for a few months now, and it’s been reliable. The chain is thick and durable, and the lock mechanism works smoothly. It’s a bit pricey, but worth it for the peace of mind.
Mike T. –
This chain lock is decent, but not the best I’ve used. The build quality is good, but the length is a bit short for securing my bike to larger objects. It’s okay for quick stops, but I’d recommend a longer chain for more versatility.
Emily R. –
The Kryptonite Keeper 712 is a great balance between security and portability. The integrated chain is convenient, and the lock feels robust. It’s not the lightest option, but it’s manageable for my needs.
David L. –
I expected more from Kryptonite. The chain is sturdy, but the lock feels a bit flimsy compared to their other models. It’s okay for low-risk areas, but I wouldn’t rely on it in high-theft locations.
Alex Carter –
The Kryptonite Keeper 712 Integrated Chain is a solid choice for urban cyclists. The chain is sturdy and provides a good level of security for short stops. The integrated design makes it easy to carry, though it’s a bit heavy. Overall, it’s reliable for everyday use.
Jamie Smith –
I’ve been using the Kryptonite Keeper 712 for a few months now, and it’s held up well against theft attempts. The chain is thick and durable, and the lock mechanism is smooth. The only downside is the weight, but that’s expected for this level of security.
Sarah M. Cyclist –
I’ve been using the Kryptonite Keeper 712 for a few months now, and it’s been great. The chain is sturdy and gives me peace of mind when leaving my bike unattended. The lock is easy to use, and the integrated design is convenient. The only drawback is the weight, but it’s a fair trade-off for the security it provides.
Mike T. Urban Rider –
This chain lock is a beast! The Kryptonite Keeper 712 offers excellent protection, and the integrated lock is a nice touch. It’s definitely heavy, but that’s expected given its security level. I’d recommend it to anyone looking for a reliable bike lock.
Jamie Smith –
I’ve been using the Kryptonite Keeper 712 for a few months now, and it’s held up well against theft attempts. The chain is thick and durable, and the lock is tough to pick. The only downside is the weight—it’s not the most portable option, but the security makes up for it.
Taylor Johnson –
This chain lock is perfect for my needs. It’s not the lightest option, but the security it offers is worth the extra weight. The integrated lock is convenient, and the chain is thick enough to deter most thieves. Highly recommend for city biking.
Morgan Lee –
The Kryptonite Keeper 712 is a decent chain lock, but I expected a bit more for the price. It’s secure, but the chain could be longer for more flexibility. The lock works well, though, and it’s easy to use.
Taylor Morgan –
This chain lock from Kryptonite is a great balance between security and convenience. The integrated lock is a nice touch, and the chain is thick enough to deter most thieves. It’s not the lightest lock out there, but for the price, it’s a fantastic value.
Casey Brown –
Great product! The chain is thick and feels very secure. The integrated lock is a nice touch, and it’s easy to carry around. It’s a bit heavy, but that’s a small trade-off for the peace of mind it provides.
Emily R. Daily Commuter –
The Kryptonite Keeper 712 is a reliable chain lock, but it’s not the most convenient for everyday use due to its weight. The security is top-notch, though, and the integrated design is a plus. If you prioritize security over portability, this is a great option.
Alex P. Bike Enthusiast –
I love the Kryptonite Keeper 712! The chain is thick and tough, and the lock is easy to operate. It’s a bit heavy, but that’s a small price to pay for the level of security it offers. Highly recommend for anyone serious about protecting their bike.