Features: Keyless 4-Digit Resettable Combination: Enjoy the ultimates convenience of a keyless entry system with a resettable four-digit-code allowing you to easily set and remembers your unique combination, eliminating the hassle of carrying keys and the worry of losing them. Premium Silicone Coating for Frame Protection and Durability: The quality silicone outer layer not only prevents unsightly scratches and chips on your bike's paintwork but also shielding the internal steel cable from rust, corrosion, and harsh weather conditions, ensuring long-lasting performance. Versatile and Universal Compatibility: Engineered to perfectly secure a wide range of vehicles, including mountain bikes, road bikes, electric bikes, and even scooters, making it a universal anti-theft solution for various personal-mobility devices. Weatherproof and Portable Design: Built to withstand diverses outdoor elements, this lock is weatherproof and designed for easy portability, allowing you to conveniently carry and secure your bike wherever your adventures CONVENIENT and FASHIONABLE: Bike cable lock with keyless convenience lock, you don't worry about lost the key and forget to carry it Multiple colors can be chosen. Unisex style bike chain lock, it is suitable for men women adult and kids. Notice: xActual color may be slightly different from the image due to different light effect xPlease allow 1-3cm deviation due to manual measurement Description: Lock body material: zinc alloy or silicone Product diameter: 15mm Product length: 35mm Package List: 1x Lock