Folding Bike Lock Heavy Duty Anti Theft Bicycle Lock with Key, Harden Steel Collapsible Small Bike Chain Lock for Mountain BikeRoad BikeBMXMTB, 78cm Long with Mounting Bracket

The Folding Bike Lock Heavy Duty Anti Theft Bicycle Lock with Key is a compact and collapsible lock designed to provide security for your bike. Made from hardened steel, this lock is sturdy and durable. It comes with a mounting bracket that allows you to easily attach it to your bike's seat post. While some users have successfully mounted the lock on the seat post with no issues, others have found it difficult to remove from the holder when mounted on the bottle rack bolts. One user even returned the lock due to its weight and difficulty in removing it from the holder. One concern raised by the Lockpicking Lawyer on YouTube is the ease of picking this lock. According to him, it can be picked in less than a minute. He also notes that the links are made from non-hardened steel, which is a weak point in the lock's design. This has led him to give this lock a "NOT RECOMMENDED" rating. In conclusion, the Folding Bike Lock Heavy Duty Anti Theft Bicycle Lock with Key may not be the best option for those looking for maximum security. Its weight and difficulty in removing it from the holder may also be a drawback for some users. Additionally, the lock's vulnerability to picking and the non-hardened steel links raises concerns about its overall effectiveness in preventing theft.