Description
- HEAVY‑DUTY ANTI‑THEFT BIKE CHAIN LOCK: Built with 7 mm four‑sided 3T manganese steel chain links, this heavy‑duty bike chain lock provides strong resistance against cutting and leverage attacks, making it ideal for city bikes, e‑bikes, scooters, and motorcycles
- SOLD SECURE BRONZE RATED SECURITY: Certified by Sold Secure and rated a 5/10 on Kryptonite’s internal security scale, this lock meets Bronze‑level standards for resistance against common theft methods. Featuring a patent-pending end link design for keyless holding power, it is perfectly suited for moderate‑risk areas, quick stops, and everyday commuting
- 4‑FT (120 CM) COMPACT & STRONG CHAIN DESIGN: The Kryptonite Keeper 712 Combo features a 4‑ft (approx. 120 cm / 47.2 in) length, offering the perfect balance of secure locking reach for thicker poles and easy portability; total lock weight is approx. 4.5 lbs (2.04 kg)
- PROTECTIVE NYLON SLEEVE & WEATHER RESISTANCE: Includes a durable, weather‑resistant nylon sleeve to help protect your bike frame from scratches and paint damage, while shielding the heavy-duty chain against the elements to extend its lifespan
- CUSTOMIZABLE 4-DIGIT COMBINATION: Features a smooth, positive-indexing dial with a 4-digit resettable combination, giving you over 10,000 possible codes. It is fully backed by the Kryptonite Combo Safe Program, which securely stores your code online in case you ever forget it
- ANTI‑THEFT PROTECTION & LIFETIME WARRANTY: Eligible for Kryptonite’s Anti‑Theft Protection Offer (ATPO) with coverage for registered locks. Kryptonite also offers a limited lifetime warranty and dedicated Customer Experience support, ensuring total peace of mind and product quality
| Recommended Uses For Product | Security |
|---|---|
| Number of Pieces | 1 |
| Included Components | Chain |
| Model Number | 720018003298 |
| UPC | 720018003298 |
| Model Name | Kryptonite Keeper 712 Combo Chain |
| Global Trade Identification Number | 00720018003298 |
| Manufacturer Warranty Description | Limitied Lifetime Warranty |
| Manufacturer | Kryptonite |
| Unit Count | 1 Count |
| Item Type Name | Security Lock |
| Manufacturer Part Number | 003298 |
| Additional Features | Portable |
| Lock Type | Combination Lock |
| Controller Type | Hand Control |
| Control Method | Touch |
| Style Name | Chain Lock |
| Color | Black |
| Shape | Round |
| Material Type | Alloy Steel |
| Finish Types | Unfinished |
| Item Dimensions | 15 x 4 x 6 inches |
| Item Weight | 4.5 pounds |
| Special Feature | Portable |
| Material | Alloy Steel |
- Rated 5/10 on Kryptonite’s security scale
- Moderate Security lock
- Eligible for the optional Anti-theft Protection
Keeper 712 Combo Chain
Moderate Security
- 7mm four-sided chain links made from Kryptonite’s high performing 3T manganese steel.
- End link design secures directly to hardened deadbolt.
- 4 digit resettable combination 10,000 possible codes.
- Hardened steel lockhead.
- Weather-resistant nylon sleeve prevents scratches to painted finishes; compact coiling for easy carrying.
- Positive dial rotation with indexing design.
- Length: 47.2″ (120cm)
- Weight: 4.5 lbs (2.04 kg’s)
Chain Size
7mm four sided chain links made of 3T manganese steel.
Anti-theft Protection
Register your product online to activate the optional Anti-theft Protection. In the unlikely event the product is defeated when used properly Kryptonite will pay out up to a certain value depending on the security value of the product. Visit our official website for further information. T&C’s apply.
Combo Safe Program
Register your combination online and Kryptonite will be able to remind you what it is should you forget.
Resettable Combination
4 digit resettable combination with 10,000 possible codes.






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