Zefal K-Traz U17 U-Lock

The K-Traz U17 is a U-lock with a loop made from very high resistance steel. This anti-theft device offers a quadruple locking, ultra performance system. Fitting to the bike is quick and easy using the mount frame (included) that can be used on any tube from 20 to 80 mm in diameter. Provided with 3 keys and the possibility to duplicate keys in case of loss.FeaturesZ Safe +: highly powerful quadruple locking system. Delivers a very high degree of protection in high risk areasHigh resistance: Tensile and torsion strength. Antitheft and anti drillSpecificationsLevel of security: 17 - For areas with a high risk of theftMaterial: Hardened SteelMounting: Adjustable on downtube - Dia from 20mm to 80mmDimensions: 115 x 230mm / 4.5 x 9.1"U Dia: 14mm / 0.5"Keys: 3 included