The K-Traz M18 is an extremely strong chainlock with reinforced steel links and an integrated key padlock. With a Zefal security rating index of 18/20 and its 10mm thick hexagonal links this lock is ideal for protecting your bike in very high risk areas. With a total length of just over 1m it's easy to find street furniture to lock your bike to with the K-Traz M18. The 'Z Safe +' padlock with its highly powerful quadruple locking system has very high resistance to impact and torsion. The nylon chain cover with protect your bike's paintwork from damage and is also removable and washable. Features: Security Rating: 18 - For areas with a high theft risk Suitable For: All types of bikes including E-Bikes Type: Chain Lock with 'Z Safe +' rated U-shaped Padlock Material: Hardened Steel Chain Diameter/Shape: 10mm hexagonal Length: 1.1m Mounting: No Key: 3 keys included Warranty: 2 years Weight: 3.25kg