The 10 Best U Bolt Locks For Bike (2023 reviews)

We consider a u bolt lock for bike to be a worthy investment in the long run. We are here to help you choose the right one for your needs from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Master Lock U Bolt Lock For Bike READ REVIEW

Best For usual Bicycle: Buy: INTEKIN U Bolt Lock For Bike READ REVIEW

Best With flex: Buy: Kryptonite U Bolt Lock For Bike READ REVIEW

Best For motorcycle: Buy: KASTEWILL U Bolt Lock For Bike READ REVIEW

Best With cord: Buy: UBULLOX U Bolt Lock For Bike READ REVIEW

Best With Combination: Buy: Sigtuna U Bolt Lock For Bike READ REVIEW

Best For High Theft risk cities: Buy: via Velo U Bolt Lock For Bike READ REVIEW

Best For Most Of Bike: Buy: USHAKE U Bolt Lock For Bike READ REVIEW

Best With alarm: Buy: Enzzone U Bolt Lock For Bike READ REVIEW

Best For gate: Buy: Firos U Bolt Lock For Bike READ REVIEW

Best Overall: Master Lock U Bolt Lock For Bike

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The Integrated disc key locking mechanism offers maximum pick resistance. It features a hardened steel body and double locking shackle for superior cutting and prying resistance. The key can only be removed when the locking bar is in the "locked" position. It helps to add a bit of security theater for you and a potential thief.

The lock comes with 2 keys, made for that specific lock. The cable allows you to lock the front tire to the main lock which is great for bikes with a quick release tire. The lock mechanism is fairly sloppy, and best results are achieved by fully inserting the key prior to unlocking, and ensuring the key is fully inserted while locking. The plastic carrier bracket is a nice addition to assist in easy transport.

• Great bike lock, especially for college students
• Good brand reputation

Best For usual Bicycle: INTEKIN U Bolt Lock For Bike

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This convenient installation enables you to store your bike lock quickly when on a ride. It is a heavy duty and heavy weight lock with a thick cable. The design, which allows the entire bottom section to detach from the u-section, makes it easier to connect and disconnect compared to designs that only lock on one side of the u-section and swivel on the other. The chain is a bit short for use around pillars, but any pole the girth of a leg or slimmer is easy enough to be chained to.

The silicone cover makes the lock can resist corrosion from dust and dirt to prolong the life of your bike lock. It works great and the cable is sufficiently long enough to secure it well. It comes with the cable, it will provide your bike with greater locking flexibility and better protection. It is easy to transport in a backpack or saddlebag.

• Easy to mount on the bike
• High rating for anti-theft for regular bikes
• Great bike lock and cable combo
• Well designed for the usual bicycle installs

Best With flex: Kryptonite U Bolt Lock For Bike

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This lock is good, easy to use, solid, and durable. It features, providing advanced protection against twist and single cut style attacks. The space within the lock makes it easy to lock scooters or bikes. The lock is excellent and comes with extra keys which is nice.

The lock and cable combination is a good deterrent to would-be bike thieves. It works well and is very secure when used with the cable. The lock is heavy but that's what happens when its made of high quality steel.

• Great portability and level of protection
• Sturdy lock, comes with three keys
• Resists bolt cutters and leverage attacks
• Sturdy, slightly heavy lock but easy to use

Best For motorcycle: KASTEWILL U Bolt Lock For Bike

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Kastewill makes beautiful and great lock with classic and smartly choosen materials. The steel cable is covered by pvc material coating to keep your bicycle lock from scratching or rusting. The fitting of the attachment to mount the lock on the bike is a plastic and has a small range of diameters that it can actually work with. It is easy to rust and with two rust-proof copper keys. The silicone cover makes it resist from dust and dirt to prolong the life of your lock.

The cable allows you to be flexible on how and where you want to apply the lock. The holder is really secure and sturdy.

• Resists corrosion from water, dust and dirt to prolong the life of your lock
• Easy to use and very secure
• New and hot release

Best With cord: UBULLOX U Bolt Lock For Bike

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This lock is a good compromise between security and ease of use. It is easy to use and even better that it has the protective coating that prevents scratches on your bike. The silicone cover of the lock will protect your bike from scratches. It comes with the portable size, you can put the bike lock into your bag or mount it on the frame of your bike.

The bracket placement of the lock causes it to bang into your leg while biking. The rubber coating prevents any scratches or abuse to both the bike and helmet. It gives you plenty of material to lock bike security. The fact that it has a bike mount makes it even more worth buying.

• Resistant copper keys that have complex serpentine slots, it will be safer
• Super heavy duty and well made
• Sturdy in some ways, lock mechanism not so much

Best With Combination: Sigtuna U Bolt Lock For Bike

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This lock looks to be a pretty good deterrent that will not easily be defeated. It has a rubber like texture, so the bike doesn’t get scratched. The SIGTUNA is wider than Kryptolok, which helps to lock the wheel with the frame and the pole easily and comfortably. The push button to release the lock works nicely. The auxiliary cord is long enough to capture both the front and back tire, and still comfortably connect with the lock which can easily be worked around the frame and bike stand.

It is stout, it is well made of high-quality materials, it is easy to lock and unlock, it comes with THREE keys, AND it comes with a sturdy mounting mechanism that allows you to install it on your bike.

• Great lock, very secure, mounting was easy
• Very nice, sturdy bike lock and cable
• Lot of satisfied buyers

Best For High Theft risk cities: via Velo U Bolt Lock For Bike

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Via Velo locks are heavy duty and made of hardened steel to keep your valuable bike as safe as possible. It provides an additional layer of security to make it harder for opportunistic thieves. It's tough, simple to lock and flexible to mount in several locations. The cable is strong and just the right length to secure your bike without being too bulky to bring along on a ride.

The lock and key system are smooth and easy. It's great for high theft risk cities, can use with or without cable. This is a good solid lock and easy to engage and disengage and lock unlock.

• Love the extra security and durability
• New and hot release

Best For Most Of Bike: USHAKE U Bolt Lock For Bike

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The ushake u bolt lock for bike is capable of outshining several other lock featured in this list in overall features for the price point. Ushake produces a nice and sturdy coded lock for your bike and scoocter. It's a 14mm shackle U Lock with a dust cover. It does fit perfectly to lock the bike tire to the frame in the rear. It's easy to set combo, dials are good size and easier to correctly line up with the combo line.

There are 2 sides of the lock and only the side with logo is the correct side place to input password and not the other side place. It will allow you to feel safe for a short time and actually that's all most folks need is a few minutes to shop or dine. It's a great lock and it's very secure.

• Very easy to set the combination, open and close
• Too heavy to use,, security wise perfect
• Perfect length for locking up an electric scooter
• Works great feels really sturdy and was easy to set

Best With alarm: Enzzone U Bolt Lock For Bike

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Next on the list, we've got yet another lock that manages to win our hearts. It's the enzzone u bolt lock for bike and it's widely considered as one of the best convenient lock you can buy. The alarm is triggered by motion detection. It features an on/off switch to activate/disarm the alarm function. It will do this repeatedly until you turn the switch off to completely disable the alarm function. This motion activated alarm within the lock ensures you will be able to hear within the ear shot. It will sound if you have moved it in away that activates the armed mode (you here a "Beep") - once you do this the next movement whether by placing the key in the barrel to unlock it may cause it to go off. This is heavy duty. It comes with 3 sets of keys for your convenience.

• 16 mm hardend max performance steel resists hand tools, bolt cutters, and leverage attacks
• Suitable for scooters, motorbikes and fat tyre e-bikes
• Solid construction to deter random attacks
• Security and piece of mind when your prized possession is out of sight

Best For gate: Firos U Bolt Lock For Bike

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It's got everything you'd want in a "U Bar Lock" and more, to powerfully "secure" your bike or bikes. The steel cable and bicycle lock shackle are covered by a high-quality pvc material coating to keep your bike lock from scratching. The main difference is that the kryptonite lock has a steel piece along one side of the u piece, according to the. It comes with a 150cm/5feet double looped steel cable and a sturdy mounting bracket, which makes the bicycle lock more sturdy and portable to use.

The wire cable is coated and very thick and the lock is heavy and huge. It even has a sliding cover over the keyhole to keep debris out of the locking mechanism. The double looped steel cable can be used to lock the wheels or frame. It's a way to make sure your bike or scooter are safer.

• Comes with 3 keys which is great
• Very "stylish" and "sleek" in black
• Great theft deterrent hefty and well-made
• Nice big lock that will fit your e-bike frame