High-grade steel construction for reinforced security - This U-shaped lock is built from strong, durable steel to provide reliable protection against theft. PVC-coated shackles and portable frame mounting for durability and convenience - PVC-coated shackles protect against scratches and wear on your bike. - Includes a portable frame mounting option, combining long-lasting durability with easy portability for daily riding. Secure attachment in busy areas with quick-access operation - Locks securely to your bicycle in environments such as shopping districts or outdoor racks. - The mechanism is designed to provide quick access when you need to unlock and ride away. Ideal for a range of riders seeking deterrence during stops - Suitable for commuters, mountain bikers, and city riders who want a visible deterrent during work or errands. Use scenarios - Urban commuting and errands: Park your bike in busy shopping areas or near outdoor racks, lock it securely, and access it quickly when you’re ready to continue your ride. - Workday parking: Secure your bike during the workday in locations with foot traffic or outdoors, using the frame mounting option to keep the lock handy for fast unlocking. - Adventure rides and trail stops: Take a break on day trips or at trailheads while maintaining security, benefiting from the durable construction and easy transport. Notes - All features reflect the described materials and mounting options: high-grade steel construction, PVC-coated shackles, and a portable frame mounting capability designed for everyday use.