Bike Lock, Foneso 5-Digit Resettable Combination Bicycle Chain Lock, Heavy Duty Anti-theft No Keys Required, 35-Inch, Black 5 character password is very secure, because the possible combination: 100 thousand. The most secure and easy to use bicycle combination cable lock. Lightweight chain with a flexible cloth sleeve to protect paintwork. A full range of preventing sawing, drilling prevention, with waterproof and dustproof cover. Perfect for everyone and Ideal for bicycles, skateboards, sports equipment, gates & fences, grills & lawnmowers, tools, tool boxes & ladders. No need keys,more convenient to use with password. Perfect for everyone and Ideal for bicycles, skateboards, sports equipment, gates & fences, grills & lawnmowers, tools, tool boxes & ladders. Free key with very strong password open. Suggested locking the bike with cars, railings, trees or other things together, which is more safe. Specification lock total length: 6mmx900mm. Weight: 0.77KG. The Total length of bike lock: 0.9M (35&#034;) The weight of bike lock: 0.77kg Easy to set new combo and open/close Chain is plenty sturdy under the strong fabric Wraps nicely around the frame and is not in the way The chain bike lock which is covered with weather<br> proof cloth material so it won&#039;t scratch up both the<br> chain and and your bike frame when using it. 30 Days return and refund, no questions asked If the product is defective within 12 month of purchasing the item, we will replace the product free of charge Type: Bike chain lock Color: Black Size: 6mm*900mm Weight: 0.77kg The original password : 00000 Material: Non-toxic and Tasteless material Dial the combination wheels to 0000 and withdraw the cable. Turn the knob 90 degrees clockwise to the designated position. Reset the combination wheels to the desired combination, making sure the numbers are lined up with the pointer. Have selecting your combination numbers,turn the knob back to the original position in a counterclockwise direction. The new combination is now set. Turn back to the original position and use the new password to open lock Repeat the 1-5 steps above to reset the combination anytime you like.