Rockbros T609 bike combination lock (black) Secure your bike against theft. The Rockbros T609 combination lock will help you do just that. The product is equipped with a solid zinc alloy lock and a steel cable covered with PVC plastic. You can stretch it to a length of up to 150 cm. The lock is also extremely light, easy to handle and durable. It is also possible to attach a helmet to it. Solid construction Ensure the safety of your bike. The Rockbros fastener is made of high-quality materials so that it can offer reliable protection. The steel cable is resistant to damage and is also coated with PVC plastic to protect the bike frame from scratches. The zinc alloy lock is also extremely robust and hard-wearing. Light, handy, versatile The accessories are.