- Protects Internal Components: Crafted from a high-strength zinc alloy, this brake disc lock ensures both security and durability. Its robust outer shell effectively shields internal components from environmental damage, making it a reliable choice for long-term use. - Convenient Bicycle Security: The lock features an easy-to-use design with a keyless 4-digit password system. Users can effortlessly lock and unlock their bikes with intuitive operations, providing daily convenience without the hassle of traditional keys. - Superior Theft Protection: Designed to prevent unauthorized access, this bicycle brake lock offers high security with millions of password combinations. Its advanced theft protection is tailored to meet your specific safety needs. - Weather-Resistant Protection: Constructed from rust-resistant components, this motorcycle brake lock performs reliably in any weather. It offers waterproof and dustproof protection, ensuring durability against challenging environmental conditions. Use Scenarios: 1. Daily Commuting: Secure your bicycle while parked at work or school, ensuring peace of mind throughout the day. 2. Outdoor Adventures: Lock your motorcycle during weekend trips or outdoor activities, knowing it is safe from theft. 3. Long-term Storage: Use the lock for extended periods when your bike is not in use, providing added security against potential break-ins. This brake disc lock combines functionality and performance, making it an essential accessory for any cyclist or motorcyclist seeking reliable protection.