Antitheft cable lock designed for bicycles Key benefits Reliable material and protection: 11 mm zinc alloy core offers strong resistance against cutting attempts while the PVC coating protects your bike's paint and reduces wear on the lock. Easy, keyless security: A 4digit combination provides 10,000 possible codes so you can secure your bike without keys. Portable and convenient: Compact, lightweight design makes the lock easy to carry on rides or store in a bag or saddlebag. What it does and why you need it Prevents opportunistic theft for everyday use: the zinc alloy core resists common cutting tools and the PVC covering keeps the lock smooth against your frame. Eliminates lostkey problems: the 4digit combination lets you set and change a code (default code 0000), giving secure, keyless access. Balances security and convenience: compact size and light weight make it practical for commuters, casual riders, and anyone who needs a simple secure solution. Main features Material: 11 mm zinc alloy core for enhanced cutting resistance. Coating: PVC cover to protect your bike and the lock from scratching and corrosion. Locking system: 4digit combination, 10,000 possible combinations; default code set to 0000 and easily reset to a code. Design: Compact and lightweight for easy carrying and storage. Practical use scenarios Daily commute: Secure your bike to a rack or post during work hours without carrying keys — set a code you can remember and change as needed. Quick stops: Lock your bike outside a store or cafe for a short time; the compact lock tucks into a bag or under a saddle when not in use. Apartment or building storage: Use the lock to secure bikes in shared storage areas or hallways where you want a durable, keyless option. How to set your code Default code: 0000. The lock's combination is userchangeable; follow the included instructions to set a unique 4digit code for ongoing use. Compatibility and performance notes Designed for bicycles (For Bicycle / For Bike); suitable for typical urban and recreational bikes where a balance of portability and resistance to cutting is required. Provides increased deterrence against opportunistic theft; no lock can make a bike invulnerable to determined attacks, so combine with secure locking practices (lock frame and wheel to an immovable object). What's included 11 mm zinc alloy cable lock with PVC coating, preset to combination 0000 and user instructions for changing the code.