●Extra long chain lock: the bicycle lock with key has a chain size of 110 cm and a total length of 120 cm (including lock head), which can protect several bicycles at the same time. It is also easy to attach the bike to a railing or other desired place ●High security: the bicycle lock chain with key consists of a 6 mm hardened steel chain and a reinforced lock head, which gives the bicycle lock a high resistance to cutting and cutting tools and thus significantly improves theft protection compared to other bicycle locks ●Rain and scratch resistant: the bicycle lock head is equipped with a waterproof protective cover to prevent water from entering the lock head on rainy days. The fabric cover is made of high-quality nylon cloth, which is UV resistant and extends the life of the bike lock, while it can prevent scratches on the bike. The bicycle lock e-bike is equipped with 2 keys to prevent the loss of keys ●Wide range of applications: Our pram lock can be easily operated by adults and older children and are very suitable for motorcycles, bicycles, scooters, pushchairs, wheelchairs, lawnmowers ●Quality customer service: 100% customer satisfaction is our service goal, motorcycle lock within 6 months any problem can contact us, we will unconditionally replace or refund for you.