1. Strength Materials: Made from strength zinc alloy, this disc brake lock features a robust housing designed to withstand environmental damage and protect internal components from harsh elements. 2. 4Digit Keyless Security This bicycle brake lock comes with a 4digit keyless password, eliminating the hassle of key management while ensuring reliable theft protection. The presstolock mechanism allows instant onehanded operation. 3. Maximum Theft Protection: Engineered with thousands of code variations and reinforced mechanisms, blocking the disc brake prevents unauthorized use while delivering security performance for motorcycle protection. 4. Waterproof Security: The weatherresistant motorcycle lock is crafted from waterproof materials to repel moisture and dust. Its waterproof design ensures durability during storms, outdoor adventures, or prolonged outdoor storage.