Kryptonite Keeper 790 Chain

You can easily set your own code by following the instructions included with the lock. Once set, you can change the 4-digit combination as often as you like, which is helpful if you ever feel your code has been compromised.

Yes, 90cm is a versatile length for most city locking scenarios. It provides enough slack to secure your frame and one wheel to a standard bike rack or a parking meter without being overly bulky to carry.

Kryptonite offers a 'Combo Safe Program' where you can register your combination with them online. If you forget your code, you can contact them to retrieve it, ensuring you aren't locked out of your own bike.

The lock weighs 1.7 kg. While it is substantial enough to deter thieves with its hardened steel links, it is manageable to carry wrapped around your seat post or tucked into a commuter bag during your ride.

Yes, the chain is encased in a durable, weather-resistant nylon sleeve. This protects your bicycle's frame paint from getting scratched or chipped while you are locking and unlocking.