- Versatile Security Solution: The 100 cm long chain allows you to securely lock multiple bikes together, ideal for families or cycling groups. No need for a physical key - the digital lock eliminates the worry of losing keys, enhancing your peace of mind. - Advanced Locking System: Features five locks for superior security, offering up to 100,000 possible combinations. Personalize your own number combination easily for added convenience and peace of mind against unauthorized access. - Robust Durability: Constructed from high-strength zinc alloy, the chain lock's cylinder is designed to be rust-proof and resistant to tampering, ensuring long-lasting performance even in challenging environments. - Protective Design: Wrapped in a polyester sleeve, this lock not only guards against rust but also protects your bicycle from scratches and damage, maintaining its pristine appearance. Use Scenarios: 1. Urban Commuting: Secure your bike to a rack or pole while you work or run errands, knowing that it's protected by a tough and reliable lock. 2. Cycling Adventures: Lock multiple bikes together during group outings, ensuring everyone can enjoy the ride without worrying about bike theft. 3. Home Storage: Safely store your bicycles in your garage or backyard, using the chain lock for added security against potential intruders. This practical bicycle lock combines user-friendly features with a robust build, making it an essential accessory for any cyclist seeking reliable security for their bikes.