Efficient keyless protection for bicycles - Pressure locking combined with a customizable four-digit code provides secure locking without the need for keys. No complex steps, quick and reliable use for fast securing. Weather-resistant construction you can trust - Built with a zinc alloy body and a rugged shell to minimize weather-related damage and to protect internal components for everyday durability and reliability. Versatile and portable for multiple ride types - Compatible with disc brakes featuring holes larger than 7 mm. Lightweight and portable for use with motorcycles as well. Integrated reminder tether helps prevent forgetfulness and ensures easy handling. High level of theft protection - Millions of possible four-digit combinations paired with a robust locking mechanism deliver strong deterrence against unauthorized access. The intelligent security system enhances overall protection. Use scenarios - Urban daily commute: lock your bike briefly outside shops or offices during short errands, ensuring quick access when you return. - Campus or city trips: secure your bike while grabbing a quick bite or running a class errand, minimizing downtime and risk of theft. - Motorcycle or multi-vehicle use: carry the lock for attaching a bike or scooter to racks or stands, with lightweight portability and reliable protection.