Review on 🔒 Secure Your Bike with the Bike Lock Bicycle Lock Chain - 5-Digit Combination Lock Core Steel Wire Bike Lock for Maximum Security and Portability - 4 Feet x 1/2 inch (Black) by Robert Long

This bike lock is an effective deterrent for common bike thieves, although it doesn't stop professionals from stealing your bike as they use bolt cutters to cut through locks of this type. But for most trips, just leaving your bike for an hour or so is safe enough, especially if it's in broad daylight. I made this mistake many years ago when I was at school and left my bike next to many others until the library closed. When I followed him, I found several cut up bike locks scattered around; They could steal a dozen or so at a time. In such cases, it's better to use something bigger and much heavier - lesson learned!