Quick Summary
The Kryptonite Keeper 585 is a bike chain lock supplied with keys. The stated chain length is 2.7 feet, and the lock uses 5 mm four-sided chain links. It is a chain lock for securing a bike, and the product details also name motorcycle, scooter, bicycle, door, gate and fence as possible uses.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Kryptonite, which helps identify the exact lock range. |
| Model | Keeper 585. |
| Product type | Bike chain lock. |
| Chain length | 2.7 feet long, so check that the reach suits the item or space you want to secure. |
| Chain links | 5 mm four-sided chain links made from hardened carbon steel. |
| Locking feature | Hardened locking pin for added holding power. |
| Cylinder | Wafer style cylinder designed to resist picking and drilling. |
| Sleeve | Weather-resistant nylon sleeve to help prevent scratches. |
| Keys included | 2 ergonomic keys. |
What to Compare Before Buying
- Length: The chain is 2.7 feet long, so compare it with the space you need to wrap or thread the lock through.
- Chain thickness: The links are 5 mm, which is a key detail for buyers comparing chain size.
- Keyed lock: This model uses keys, so check that a keyed lock suits your preference.
- Finish protection: The nylon sleeve is there to help prevent scratches, which may matter if the lock touches paintwork or a frame.
What Else You May Need
Use the lock with the item or fixture you want to secure, and keep the two keys in a safe place.
Before You Decide
Check the 2.7 foot length, the 5 mm chain size and the included key count before choosing an offer. If you need a longer chain or a different locking format, compare another option first.





