Best U Lock Bike

It can be tough to find the best u lock bike for your needs, as there are so many different brands like Master Lock, DadyMart, Kryptonite, Schwinn and models to choose from. We have done a lot of research and found the Best u lock bike on the market right now.

Based on our extensive evaluations and testing, we have concluded this list of the best u lock bike with price ranging between $20 and $299. We chose Master Lock 8170D U-Lock Bike Lock with Key, 1 Pack , 6-1/8 in. as our top pick. Check out our the best for all of our favorites, and be sure to read our buying guide to get all the information you need to make the best choice!

Best Overall
Master Lock 8170D U-Lock Bike Lock with Key, 1 Pack , 6-1/8 in. Wide , Black
Master Lock 8170D U-Lock Bike Lock with Key, 1 Pack , 6-1/8 in. Wide , Black
$18.99
Editor's Choice
DadyMart Bike U Lock, 16mm Bike Lock Heavy Duty Combination Bicycle U Lock with U-Lock Shackle, Bike Locks Anti Theft for Road Bike Mountain Bike Electric Bike Folding Bike, Bracket Not Included
DadyMart Bike U Lock, 16mm Bike Lock Heavy Duty Combination Bicycle U Lock with U-Lock Shackle, Bike Locks Anti Theft for Road Bike Mountain Bike Electric Bike Folding Bike, Bracket Not Included
-
Nice Pick
Kryptonite Evolution 13mm U-Lock with FlexFrame-U Bracket
Kryptonite Evolution 13mm U-Lock with FlexFrame-U Bracket
$77.95

Our system has analyzed 34131 reviews.

Best U Lock Bike

Here are the top u lock bike we found:

1. Master Lock 8170D U-Lock Bike Lock with Key, 1 Pack , 6-1/8 in.

Master Lock 8170D U-Lock Bike Lock with Key, 1 Pack , 6-1/8 in.
Outdoor heavy duty bike U-lock is best used as a bicycle lockU-shaped steel bike lock with key; Includes carrier bracket for easy transportationBike lock features a hardened steel body and double locking shackle for superior cutting and prying resistance

Bike lock body is 6-1/8 in. (16 cm) wide, with 8 in. (20 cm) shackle length, 4 in. (10 cm) width and 1/2 in. (13 mm) diameter

Includes one u-lock bike lock, two keysAffordable U-Lock ProtectionDisc key for additional anti-pick protectionIncludes carrier bracket for storage convenience6-1/8-inch by 8-inchby 4-inchVinyl coating for weather and scratch resistance

Brand: Master Lock         Group: Home Improvement         Reviews: 11579         Rating: 4.65

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2. DadyMart Bike U Lock, 16mm Bike Lock Heavy Duty Combination Bicycle U Lock with

DadyMart Bike U Lock, 16mm Bike Lock Heavy Duty Combination Bicycle U Lock with

4-digit combination: 4-digit combination U lock, high-quality anti-theft lock cylinder, prevent thieves from using a universal key to crack your lock. The keyless use eliminates the trouble of losing the key and has higher security.

Bracket not included

Solid lock shackle: The U lock shackle has undergone multiple heat treatment processes to increase the hardness and strength, and it is resistant to smashing, cutting and violence.

Dustproof cover: The locking mechanism adopts the flip cover design, which can not only prevent dust and sand, but also prevent rain from soaking the lock mechanism directly, extending the life cycle of U-shaped lock.

Pvc coating: The metal solid lock shackle is covered a PVC coating, and the engineering plastic a soft shell, which will not crack at low temperature nor deform at high temperature.

Dimensions: 16mm(Thickness),9.0 inches (Length) x 5.7 inches (Width) U bicycle lock – please note: Manual measurement for reference only.

Brand: DadyMart         Group: Home Improvement         Reviews: 776         Rating: 4.94

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3. Kryptonite Evolution 13mm U-Lock with FlexFrame-U Bracket

Kryptonite Evolution 13mm U-Lock with FlexFrame-U Bracket
3mm Hardened Max Performance Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage Attacks; 10mm Steel Looped Cable For Additional Security

Interior Locking Dimensions: 3.25″ x 7″ Cable Length: 4′

Key Safe Program; Kryptonite will ship your first 2 keys for free, globally, in the event you lose themAnti-Theft Protection Offer; Up to $2,500 ReimbursementIncludes FLEXFRAME-U BRACKET providing convenient multi-location u-lock transport

Brand: Kryptonite         Group: Outdoors         Reviews: 742         Rating: 4.87

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4. Kryptonite New-U New York Standard Heavy Duty Bicycle U Lock Bike Lock BLACK/YELLOW, 10

Kryptonite New-U New York Standard Heavy Duty Bicycle U Lock Bike Lock BLACK/YELLOW, 10
16mm Hardended Max Performance Steel Shackle Resists Hand Tools, Bolt Cutters, and Leverage AttacksInterior Locking Dimensions; 4″ x 8″

Key Safe Program; Kryptonite will ship your first 2 keys for free, globally, in the event you lose them.

Anti-Theft Protection Offer; Up to $4,000 Reimbursement for 1 Year Included

Brand: Kryptonite         Group: Outdoors         Reviews: 742         Rating: 4.87

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5. Schwinn Anti Theft Bike Lock, Security Level 5, U-Lock, 4 Foot

Schwinn Anti Theft Bike Lock, Security Level 5, U-Lock, 4 Foot
Secure your bike to help prevent theft, Security Level 5Ultra durable steel U-lock withstands 10,000 of cutting force for maximum theft deterrenceIncludes bonus 4 feet x 10 mm double crimped cable for extended reachVinyl cover on both U-Lock and cable allows for scratch free, weather resistant lockingIncludes 2 keys, No need to memorize a combination

Brand: Schwinn         Group: Outdoors         Reviews: 386         Rating: 4.68

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6. Bike U Lock with Cable – Via Velo Bike Lock

Bike U Lock with Cable - Via Velo Bike Lock

✔️ DURABLE ALL-WEATHER PROTECTION – Via Velo bike U-lock with hexagonal PVC cover resists corrosion from water, dust and dirt to prolong the life of your lock.

All-weather performance means peace of mind and better security

️ ✔️ EASY AND STRONG TO LOCK YOUR BIKE – The bike lock with thickness(including rubber casing):14mm,9.84 in (250mm) x 5.51 in (140mm) U shack to lock and go! Locking your bike and your wheels with 10mm x 180cm cable, fast and easy with our quick, no-hassle system.

Great bike safety tool

✔️ AMAZING CONVENIENCE AND SECURITY – 2 keys for convenience! The bike U-lock comes with 2 keys. One of them you can take and use in daily life and the other you can leave at home in case the trouble when you lose one carelessly

✔️ SIMPLY INSTALLING BRACKET ON YOUR BIKE – Convenient high-quality mounting bracket means your lock goes with you, Our bracket is suitable for bike tube:20-42mm.

Pls refer to our picture to install the bracket Value for your money

✔️ WARRANTY AND CUSTOMER SERVICE: 3-year warranty applies to U lock for US, CA, UK, EU Cyclists, 90-day money back policy, 24-hour online customer service.

If you are not satisfied with it, you get a full refund unconditionally. Rest assured

Brand: Via Velo         Group: Outdoors         Reviews: 255         Rating: 4.87

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7. INTEKIN Bike U Lock Heavy Duty Bike Lock Bicycle Lock, 16mm U Lock and 5ft

INTEKIN Bike U Lock Heavy Duty Bike Lock Bicycle Lock, 16mm U Lock and 5ft

STURDY: This bike u lock is made of 0.63inch(including 0.1inch silicone cover) carbon structural steel which is cutting-resistant, leveraging-resistant.

The silicone cover makes u lock can resist corrosion from dust and dirt to prolong the life of your bike lock.

NO BLOCKING: The lock cylinder of u lock is made by imported pure copper blade, which has a precise structure to prevent technical opening. With the lock dust cover and cooper lock cylinder, no need to worry about blocking when opening the bicycle lock.

CONVENIENT USE: The bike lock comes with a 5feet renforcement steel cable which is coated with PVC covering, and the whole diameter of it is 0.47inch. With the cable, it will provide your bike with greater locking flexibility and better protection.

LARGER SIZE: After receiving customer feedbacks about u lock, NOW WITH LARGER SIZE 8.3*5.7inch bike u lock specially designed for most bikes. Besides, comes with a mounting bracket that is suitable for all circular tripod in diameter ≤1.18inch.

EASY INSTALLATION: The mounting bracket holder is easy to install, you can refer to our instructions to install it. This convenient installation enables you to store your bike lock quickly when on a ride.

Enjoy your beautiful day like never before!

Brand: INTEKIN         Group: Outdoors         Reviews: 157         Rating: 4.91

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8. SIGTUNA Bike Locks – 16mm Heavy Duty U Lock with

SIGTUNA Bike Locks - 16mm Heavy Duty U Lock with

PROTECT YOUR RIDE ✅: This awarded SIGTUNA Bike U-lock is made of 16MM High-Performance Steel for Extensive Holding Power and Resistance against Cut and Leverage attacks with a wapping 85/100 Security Rating.

Get the best security available and protect your ride with Sigtuna Locks!

CHOOSE POWER ✅: This Bike Lock Combination has a High-Security Disc-Style Cylinder and Double Deadbolt locking mechanism, very effective and certified against Leverage Attacks.

With SIGTUNA you make the right choice and give thieves no chance!

EASY-TO-USE ✅: This model SIGTUNA Bike Lock Combination comes with a Easy-to-Install Bike Lock Mount, a Protective Coating to protect your bikes paint and not 2, but 3 Laser-Cut Abloy Keys.

With this lock you get Security AND Convenience!

100% MONEY-BACK GUARANTEE ✅: If this U-lock is not the favorite you ever owned – some say it is heavy, but that means quality – just send it back and get a 100% refund.

SIGTUNA stands for its products. Our customers love that, we know you will too!

ORDER YOURS NOW ‎✅: Click “Add to Cart” NOW to get your 16mm SIGTUNA Bike U lock with 1200mm Flex Cable + Mount Bracket tomorrow and give your Bike the Love it deserves.

Brand: SIGTUNA         Group: Outdoors         Reviews: 73         Rating: 4.94

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9. Altor SAF Lock – Angle Grinder Proof Bicycle U-Lock

Altor SAF Lock - Angle Grinder Proof Bicycle U-Lock
The world’s first angle grinder resistant bike lockPatented SAF Tech shackle design protects against angle grinders and conventional attacksA double-locking cross bar and a high-security disc-detainer lock mechanism with 4 laser-engraved keys to defend your lock from conventional attacks

6.0 kgs / 13.2 lbs total weight, 7.9 x 11 in outer dimension, 3.1 x 5.5 in inner dimension

Designed and Fabricated in the USA

Brand: Altor Locks         Group: Home Improvement         Reviews: 32         Rating: 4.75

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10. DINOKA Bike U Lock – 16mm Heavy Duty Security U

DINOKA Bike U Lock - 16mm Heavy Duty Security U

【Double-opening Head】Our DINOKA heavy duty bicycle u lock is a double-opening head, The thief needs to break the bike locks on both sides at the same time to open it, which is safer than a single-opening head ulock.

The lock cylinder of the bicycle is made of C-grade pure copper blades and has a precise structure to prevent various technologies from opening. In addition, the bike u lock is equipped with 2 rust-proof copper keys with a complex snake-shaped slot, which is safer to use.

【Sturdy and Durable】This bicycle lock is made of 16mm/0.63 inch (including 0.1 inches friendly silicone sleeve) hardened high-performance alloy steel, which can resist cutting and lever attacks.

Our bike d lock will provide more security for your bike.

【Convenient to Lock】The bike u-lock heavy-duty comes with 4 feet/0.48in steel cable which is coated with PVC covering to provide a greater locking method to protect your bike, suitable for bicycles, motorcycles, electric bike, scooters.

【Portable Size】The size of the u lock for bicycle is 7.9 in * 5.1 in, which is the same size of a 9.7in tablet and is convenient to carry. In addition, come with a mounting bracket that is suitable for all-round tripods with a diameter ≤ of 1.18in (30mm).

【Package Includes】You will get 1*bike ulock, 1*4ft flex cable, 1*mounting bracket and 2*keys, it is very easy to install according to our instructions. If you have any questions, please contact us and we will get back within 24 hours.

Brand: DINOKA         Group: Home Improvement         Reviews: 16         Rating: 4.75

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What to Look for to Have The Best U Lock Bike?

Premium

If you’re looking for the premium u lock bike, the Kryptonite Evolution 13mm U-Lock with FlexFrame-U Bracket is a great option to consider. It has a high review count and average rating stars, which indicates that it is a quality product.

Most Discounted

If you’re looking for the least expensive u lock bike, the Kryptonite New-U New York Standard Heavy Duty Bicycle U Lock Bike Lock BLACK/YELLOW, 10 might be a good option to consider. It has a lower review count and average rating stars, but it is still a quality product.

Most Reviews

If you’re looking for the most reviews u lock bike, the Master Lock 8170D U-Lock Bike Lock with Key, 1 Pack , 6-1/8 in. is a great option to consider. It has a high review count and average rating stars, which indicates that it is a quality product.

Lowest Price

If you’re looking for the lowest price u lock bike, the DadyMart Bike U Lock, 16mm Bike Lock Heavy Duty Combination Bicycle U Lock with might be a good option to consider. The quality is just good that you can continue to use this product.

High Quality

If you’re looking for the high quality u lock bike, the Altor SAF Lock – Angle Grinder Proof Bicycle U-Lock might be a good option to consider. This box is made from high-quality materials and has a lot of reviews and ratings, indicating that it is a quality product.

Best Seller

If you’re looking for the best seller u lock bike, the DINOKA Bike U Lock – 16mm Heavy Duty Security U might be a good option to consider. The quality is excellent and it’s a great product to buy.

Most Affordable

If you’re looking for the most affordable u lock bike, the INTEKIN Bike U Lock Heavy Duty Bike Lock Bicycle Lock, 16mm U Lock and 5ft might be a good option to consider. The quality is good, and it’s a great product to buy.

Conclusion

While we were recharching for the best best u lock bike, we found many of them performs good while some not. One product has something advantage than other. So, it was a bit difficult to find the best of them.

We analyzed 34131 reviews of the customers and used a data management system to narrow down the list of the product into 10. Also here are something good beyond these 10 product but we hope these 10 product from Master Lock, DadyMart, Kryptonite, Schwinn, Via Velo, INTEKIN, SIGTUNA, Altor Locks, DINOKA will fulfil your needs.

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