Special features: Key unlock Lock type: Key lock Material: Steel Recommended use: Bicycles Folding method Color: Black Quantity: 1 Steel type: Colored, angled Shape: Rectangular Show more About this product 【Resistant to hydraulic shears, cutting and sawing】This scratch-resistant foldable bicycle lock is made of alloy steel, making it robust and durable. Neither hand saws, hammers, or various corrosive materials, nor even bolt cutters and hydraulic shears can pose any threat to it. With this bicycle lock, your bike will never be stolen. 【Foldable bicycle lock】This is a foldable lock that combines portability and security. This bicycle lock with 26 links is easy to fold, convenient to carry, and does not take up much space. Folded dimensions: 7.5 x 7.5 x 5 cm, unfolded length: 84 cm. Thanks to its special base design, it can be easily attached to any part of the bike when folded, such as the frame's crossbar, under the saddle, handlebars, etc. [Bicycle lock set with 3 keys] Carry one key with you, keep one at home, and one in the office. If you accidentally lose your key, we don't know how to open the lock. By the way, you can also use the spare key we provide. [Widely applicable] This foldable lock can be used on electric bikes, mountain bikes, motorcycles, electric scooters, etc. It can be locked to railings, or if you forget your lock, you can lock two bikes together. With this foldable bicycle lock, you can safely get to many places. [Easy installation] - Comes with a bracket that securely attaches the foldable lock to the bracket. Method 1: Use straps, no drilling required. Method 2: Drill two holes: Use small screws to attach the bracket to the bike's crossbar.