- STRONG AND HEAVY DUTY: Constructed with a zinc alloy lock cylinder and steel alloy body, this bike lock features 8 thickened steel chains, providing unmatched security for your bicycle against theft. - EASY FRAME MOUNTING: The foldable design allows for convenient storage, and the included mounting bracket enables secure attachment to your bike frame using screws or sturdy straps. - RESETTABLE 4-DIGIT COMBINATION: This lock offers a 4-digit resettable combination mechanism, allowing you to customize your security code for enhanced safety. No keys are needed, making it compact and user-friendly for on-the-go protection. - VERSATILE USE: This robust bicycle lock is ideal for securing not only bikes and motorcycles but also e-bikes, generators, gates, lawnmowers, sports equipment, skateboards, strollers, and scooters. Use scenarios: 1. Secure your bicycle while parked at a café or during outdoor activities, ensuring peace of mind. 2. Lock up your motorcycle at work or school, using the adjustable mounting for effortless transport. 3. Safeguard your sports equipment or lawn care tools at home with this durable multi-purpose lock.