Security bike lock, 4-digit combination, cable lock, random colors, one piece 4-digit locking mechanism provides keyless convenience and is easy to use. Technical plastic housing and flexible steel cable, sturdy and durable. Only 60cm long, more convenient to use and carry. Just insert your own number combination, but don't forget the numbers. Great for bikes, skateboards, sports equipment, fences, tools, tool boxes. Product Description Random Color This is a resettable combination lock that allows you to reset the code as many times as you want. Instructions for use: This lock is preset to 0000. To set your own password, follow the steps below. Select the combination wheel at 0000 and pull the cable back. Turn the knob 90 degrees clockwise to the indicated position. Reset the combination wheel to the desired position combination to ensure that the numbers match the pointers. After selecting the number combination, turn the knob counterclockwise back to its original position. The new combination is now set. Repeat steps 1-5 to reset the combo at any time. Note: Don't forget your password. Otherwise we cannot help you. SCRATCH-RESISTANT: Protective ABS coating prevents our bike locks from scratching your bike, grill, golf cart, luggage, and more. Weather Resistant - The bike lock can withstand the effects of wind, rain, sun, and rust. Durable, super cut-resistant and reliable; no key required, password adjustable, more convenient to use. The engineering plastic body and flexible steel cable are strong and durable, and will not crack at low temperatures or deform at high temperatures. Cables and hoses are non-toxic and odorless, symbolizing national and EU environmental standards and requirements. Integrated resettable 4-digit combination lock with index dial for error-free code setting, original code is 0000 for easy reset. size: 40cm long x 12mm diameter.