1. Ring lock - Made from high-quality durable material for reliable daily use on bicycles - Provides quick immobilization of the rear wheel when parked, helping deter casual theft 2. Steel cable lock - Steel cable with a PVC coating that protects the bicycle frame from scratches and nicks - Flexible yet strong, suitable for securing the bike to fixed objects in urban environments 3. Alloy padlock - Selected alloy material that resists deformation and breakage - Reliable locking mechanism to complement other locks for added security 4. Thickened lock - Lock body designed with thickened construction for enhanced durability - Built to withstand regular use and provide long-term performance Compatibility and use guidance - Designed for standard bicycles; verify fit with your frame, wheel set, and locking needs - For added security, use in combination with the steel cable lock when securing to fixed objects Use scenarios - Quick urban stop during a ride: use the ring lock to immobilize the rear wheel for a fast, at-a-glance security check - Longer parking or high-traffic areas: secure the bike to a rack or fixed object with the steel cable lock, while the ring lock provides immediate immobilization - Extra assurance for removable components or when layering security: employ the alloy padlock in conjunction with the other locks to increase tamper resistance Performance focus - Durable materials and reinforced design support long-term use - PVC coating protects bike finishes while maintaining lock functionality - Alloy and thickened components contribute to reliable, resilient security across typical cycling scenarios