Locking up your bike when it's not in use is more than a nice idea ― it's a necessity if you want to keep it from getting stolen. Thieves are always on the lookout for bikes left unattended, and a bike without a lock is an easy target. Look at these best bike locks and find the security you need to keep your wheels from becoming someone else's ride.
Best Overall: Kryptonite New York LS Heavy Duty Bicycle U Lock
If you want heavy-duty protection, you can't go wrong with the Kryptonite New York Heavy Duty Bike Lock. Made of a max-performance steel shackle and covered with a hardened steel sleeve, this lock is designed with security in mind. It also comes with features like a disc-style cylinder and hardened double-deadbolts to deter thieves further.
Best Value: XZSUN Bicycle Chain Lock
Effective theft protection doesn't have to cost a lot. The XZSUN Bicycle Chain Lock offers sufficient bike protection at an affordable price. Users say this lock offers a tight coil, and the durable PVC covering offers extra protection. Plus, the combination lock means you don't have to worry about keeping track of a key.
Best Compact Bike Lock: FOLDYLOCK Compact Bike Lock
If you do a lot of serious riding, you don't want the burden of carrying a heavy lock with you. Instead, use the FOLDYLOCK Compact Bike Lock, which comes in a lightweight and portable design. Once you're at your destination, the heavy-duty steel bars unfold to reveal a lock that's sturdy, weatherproof, and provides the protection you desire.
Best U Lock: DINOKA Bike U Lock
If you want the heavy-duty protection that a U lock offers, you can't go wrong with the DINOKA Bike Lock. This lock is made of a zinc alloy lock core and hardened steel lock, and it comes with a braided steel cable, which all combine to offer ultimate protection. Users love its sturdy design and compact size.
Best Warranty: Via Velo Combination Bike Lock
If you want some extra reassurance that your lock will be a good purchase, the three-year warranty on the Via Velo Combination Lock provides just that. The lock is solidly built, easy to use, and its 4-foot length makes it plenty long enough to secure your bike when you're on the go.
Best Mountable Bike Lock: willceal Bicycle Chain Lock
Lugging a heavy bike lock around with you isn't exactly the height of convenience. A mountable bike lock like the willceal Bicycle Chain Lock takes the hassle out of transporting your lock with you. Secure the mount to your bike and coil the lock together while you're riding so that you never leave home without your lock.
Best Combination Lock: NDakter Bike Lock Cable
When you have a bike lock, the last thing you want to worry about is losing a key. With the NDakter Bike Lock Cable, you won't have to. This combination lock has five-digits for extra protection, and it coils tightly for easy carrying. Users say it's good-looking, well-made, and provides the protection they were seeking.
Best Bike Lock for Kids: Sanwo Security Bike Lock
The Sanwo Security Bike Lock earns top pick for kids because it is brightly colored, easy to use, and comes with a four-number combination lock that's easier to remember than some of the bigger alternatives. This lock is only 2-feet long, which is a bit shorter than other designs, but it also makes it easy to carry around.
Best Titanium Bike Lock: TIGR Mini Lightweight Titanium Bicycle Lock
A lightweight and portable option, this TIGR Bike Lock is a good option if you want a way to secure your bike without adding a lot of bulk to your frame. The titanium build is flexible enough to fit around a variety of objects so that you can secure your bike just about anywhere.
Best Chain Lock: Titanker Bike Chain Lock
Lightweight, portable, and secure, the Titanker Bike Chain Lock offers the versatility of a cable lock with the durability of a chain. This lock has a protective cloth sleeve to keep the chain from rusting or scratching your bike, and it's constructed of heavy-duty steel known for its cut-resistance.