[Sturdy and Durable] The lock cylinder of the bicycle lock is made of zinc alloy, which is not easy to break, and multiple combinations can increase the length. The steel cable is thickened to prevent strong cuts, and the PVC coating helps to avoid scratching the body.[Lightweight and portable] It can be held with one hand and the shape of the ring is small and mini, which can be taken with you. The side reflective strip design makes riding safer at night.[Humanized Design] The lock head of the bicycle lock is made of zinc alloy, which helps to turn the lock accurately without jamming. The lock body is wrapped by a piece of PVC material to protect the bike from scratching. There is a reflective strip on the side, which makes driving safer at night.[Advanced Security] 2 anti-theft keys, double-sided page, unique key opening design, teeth keys cumbersome, hard to copy, improving security and anti-theft performance.[Wide Application] Multiple locking methods, full function. Suitable for bicycles, skateboards, scooters, gates and fences, lawn mowers, sports equipment, etc. After unlocking and removing the key, it can be locked without a key, just insert it gently.Product Description:1. Double-sided anti-theft key, unique key port design, side reflective strip. The PVC coating is comfortable, has a long service life, and can effectively prevent the frame from being scratched.2. Mini portable, can be held with one hand, ring shape, small and mini, can be carried anywhere. Zinc alloy lock core and thick steel cable.3. A variety of ways to lock the car, with full functions, no key is needed for locking, it can be locked with just one tap, and can be combined to increase the length.Features of the product:Weight: about 240g.Color: black.Size: about 12mm in diameter.About 140 mm in height.Contents:1 bicycle lock.2 keys