Description | The Kryptonite Keeper 712 Integrated Chain Lock offers compact yet durable protection using hardened 7 mm four-sided 3T manganese steel links in a 4-ft (120 cm) integrated chain design. The patent-pending end-link and deadbolt system removes traditional weak points to enhance security. A high-security disc-style cylinder resists picking and drilling, while the weather-resistant nylon sleeve protects your bike frame from scratches and the elements. Included are two ergonomic keys and access to Kryptonite’s Key Safe Program. Perfect for urban commuting, bike parking at work or café stops—this lock balances portability and strength. Features & Specs | Chain length: 4 ft (120 cm) Chain diameter: 7 mm four-sided 3T manganese steel End-link & deadbolt: Patented design to secure chain directly to deadbolt Cylinder: High-security disc-style pick/drill resistant Keys: Includes two ergonomic “I” keys Sleeve: Weather-resistant nylon covering to protect finish Weight: Approx. 3.75 lb (1.70 kg) Security rating: Moderate (~5/10) suitable for moderate risk environments Program: Key Safe Program eligible Usage Tips & Compatibility | Best used for securing both frame and wheels in urban/lower-risk settings. Its integrated design minimizes components—great for portability and fewer tamper points. Use with a U-lock or additional cable in high-risk or long-duration parking situations. Store flat or coil gently; keep the nylon sleeve clean to maintain appearance and function.
