Features： 1、Made of strong steel material, waterproof, rust resistant, sawing resistant and shear resistant. 2、Mechanical lock design, extra difficult to remove without the key. 3、Lightweight and compact, easy to carry and use. 4、Ensures the safety of the bicycle/motorcycle and effectively protect it from theft. 5、Suitable for disc brakes with a thickness of up to 8mm: motorcycle, electromobile, bicycle. Specification： The anti-theft disc lock is made of strong steel materials, it is waterproof, rust resistant, sawing resistant and  shear resistant. Features: Made of strong steel material, waterproof, rust resistant, sawing resistant and shear resistant. Mechanical lock design, extra difficult to remove without the key. Lightweight and compact, easy to carry and use. Ensures the safety of the bicycle/motorcycle and effectively protect it from theft. Suitable for disc brakes with a thickness of up to 8mm: motorcycle, electromobile, bicycle. Specifications: Material: Steel Color: Red/Black/Blue (optional) Size: 5.5 * 4.3 * 2.3cm / 2.2 * 1.7 * 0.9in Weight: 93g / 3.3oz Package size: 15 * 10cm / 5.9 * 3.9in Package weight: 132g / 4.7oz Package List: 1 * Disc Lock 2 * Key 1 * Plastic Frame Package List： 1 * Disc Lock 2 * Key 1 * Plastic Frame