Don't give thieves a chance. Abus is known for its consistently high quality and security. With this bicycle lock, you can trust in high-quality materials. Even if you think your bike is safe from theft because it is, for example, in a basement or in a monitored area – don't take any risks. Thieves seize every opportunity. The Steel-O-Chain 4804C chain lock, designed as a combination lock, is the ideal security solution for inexpensive bicycles and children's bikes with a low risk of theft.