Kryptonite Kryptolok Combination U Lock The Kryptolok Combination U-Lock is engineered for robust protection with a 12.7mm hardened steel shackle and a double deadbolt locking mechanism that secures both sides of the shackle, enhancing its toughness. Rated at a mid-tier protection level according to Kryptonite's security rating scale, this U-Lock provides a secure locking area of approximately 4 by 9, effectively resisting cutting and drilling. It remains both portable and lightweight. The lock features a user-settable four-digit combination, supported by an online code recovery service. Additionally, the lock is covered with a protective vinyl to prevent damage to the bike's frame and paint, ensuring secure locking for not just the bike but also accessories such as luggage and helmets. Features: High security U-lock with combination Sold Secure Gold level lock with a 12.7mm hardened steel shackle Resistant to cutting and drilling Set your own unique four-digit code Available online security code assistance if you forget combination Double deadbolt locking mechanism Both sides of the shackle lock in the crossbar independently Secure not only your bike, riding gear, helmet and more Easy to carry in your backpack or attach to your bike's frame when not in use Interior locking dimensions: 4 x 9 Includes Flexframe mounting bracket for easy transportation and storage Protective vinyl covering to prevent scratches and damage to your bike's frame Rotating dust cover that helps protect the lock mechanism from dirt, dust and debris Rated at 6/10 on Kryptonite security scale Weight: 2.9lb Note: On eligible locks, customers can opt into Kryptonite's Anti-Theft Protection Offer (Atpo). Purchase a 1-year or 2-year plan for up to 5,000 dollars in theft coverage. Atpo is only available on locks with a Security Rating of 5/10 or greater. See full details, verify eligibility and get registered here.