Anti-theft bicycle lock made from alloy steel — wear-resistant, durable, and built for long-term use Key benefits Strong protection: Solid alloy steel construction resists cutting and wear, helping reduce the risk of theft. No keys to lose: Built-in password (combination) lock provides convenient, keyless security. Greater reach and flexibility: Longer chain lets you secure your bike to larger or awkward fixed objects for more locking options. Designed for everyday use: Rugged materials and construction make the lock suitable for repeated, long-term use. Main features Material: Alloy steel lock and chain for improved abrasion and weather resistance. Lock type: Bicycle password/combination lock — convenient and key-free. Intended use: Suitable for standard bicycles and electric bicycles (e-bikes). How it solves common problems Prevents opportunistic theft by offering a visible, heavy-duty barrier against tampering and cutting. Eliminates the need to carry spare keys or worry about lost keys with a reliable combination mechanism. Longer chain increases versatility so you can lock your bike to posts, racks, or railings that shorter locks cannot reach. Practical use scenarios Urban commuting: Secure your commuter bike at public racks, train stations, or outside workplaces during the day. Electric bikes: Reliable locking option for e-bikes left at home, at charging points, or while running errands. Overnight or longer parking: Chain and lock your bike to fixed street furniture or garage fixtures when leaving it unattended for extended periods. Why choose this lock Combines durable alloy-steel construction with a convenient combination lock and extended chain length for flexible, reliable protection suited to regular use on both conventional bicycles and e-bikes.