You can count on the ABUS Chain Lock 8900. After all, this models textile sleeve hides an 8mm square chain. ABUS manufactures both the chain itself and the structural parts of the locking mechanism out of specially hardened steel to create a robust overall product.An important part of the ABUS Chain Lock 8900 is also its extremely high-quality locking cylinder, which is secured against tampering such as lock-picking. This cylinder includes two reversible keys which make operation very user-friendly. In situations with an average risk of theft , the ABUS Chain Lock 8900 is a great way to secure your bike.¢ 8 mm square chain with textile sleeve to prevent damage to the paintwork¢ The chain, the lock body and supporting elements of the locking mechanism are made of specially hardened steel¢ High-quality locking cylinder with user-friendly reversible key for maximum protection against tampering, e.g. lock-picking¢ Two keys are supplied in the scope of delivery