• 【Two Ways To Unlock】NDAKTER Bike Chain Locks have two unlocking methods for you to choose. you can open the lock not only with 2 keys, but also with 4 digit resettable code. Forget the code, you have the keys or vice versa. The default password is" 0000", which can be easily reset to your own password.
• 【Strong Protection & Easy To Carry】The heavy duty anti theft bike locks is made of Zinc alloy lock cylinder,0.24 inch/6mm alloy steel chain is very sturdy. The heavy duty material makes the lock wear-resistant, rust-proof and cut-resistant. The Bicycle lock weight about 1.94 pounds, not as heavy as a U Lock, easy to carry,Since it's a chain lock, it's flexible and easy to wrap around different object.
• 【Scratch-Resistant Fabric Protection】The bike lock combination is wrapped by a high quality polypropylene fabric, so it's protected and won't clang on/scratch your bike frame paintwork. It will not Make loud clunking noises while riding.Comes in many colors,you can choose the lock that you like or that matches the color of your bike.
• 【Convenient & Easy to Reset】1. Open the lock with default passward "0000". 2.Turn the knob forward 90 from the default position. 3. Turn the degital to set your new passward. 4. Return the knob to the default position, 5.Dial back new pwd and insert the lock tingue to complete.（Please remember your password, photos are recommended!).
• 【Wide Application】The chain lock is 4.28 feet and weighs about 1.94 pounds, long enough to lock 3-4 bikes together, or lock your bike to a tree, gate, fence, railing, thick pole and others. The lock can also be used for motorcycles, scooters, skateboards, grills, ladders, doors, lawnmowers and many others.（Don't lock your bike outside for long periods of time. Especially in high crime areas. No bike lock is 100% secure.）