When using a U-lock, it's essential to secure the electric scooter/bike frame and at least one wheel to the fixed object. Proper locking techniques can help deter theft and ensure the electric scooter/bike's safety. Additionally, users should be mindful of where and how they lock their bikes to minimize the risk of theft. Package included: 3pcs Keys1pc Heavy Duty Shackle1pc Thick Steel Cable (1.2 M Length)1pc Mounting Bracket1pc Paper Instruction Manual