Compact in size, easy to carry around, suitable for various bicycles and electric bike Designed with a reminder rope to remind oneself or others that there is a locks on the bike that needs to be before riding Make of aluminum alloy, light weight and enduring, with resistance to prying and durability customs 4 digit password, easy to set and not easily cracked, enhancing the security of use Suitable for disc brake discs with a diameter greater than 7mm, suitable for road bikes, mountain bikes, electric bikes, and motorcycles, Manufacturer: SHANGYAKEJI