KEYS-FREE: bike combination U lock for security of your, motorcycle, electric scooter, gate. No more worry for forgetting keys with bike locks with combination. COMBINATION: A strong combination u lock with easily setup to your own 4 numbers combo by the fist use. Smooth dials turning gives you confidence for quality. STRONG SHACKLE: The 10 mm hardened zinc alloy shackle resists both cutters and leverage attacks. 4mm PVC coating paddle lock protects the lock from any scratching. Good gate locks for metal fence. SOLID CYLINDER & HEAVY DUTY: High security plastic covered cylinder to avoid dust and heavy duty weight (1.25 pounds) U-lock combination for top security of your belongings. Customer service: If there is any issues about USHAKE bike combination U Lock product , please inform us at any time for after sales service and we will follow up closely.