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U Locks

10 Best U Locks 2024 in the US

Name: Kryptonite New York Standard Bike U-Lock, Heavy Duty Anti-Theft, 16mm Shackle with Mounting Bracket and Keys, Ultimate Security for Bicycles E-Bikes Scooters
Brand: Kryptonite
Price: 110.89 USD
Availability: InStock

From leading brands and best sellers available on the web.

SeatyLock Mason Bike U Lock - Patented Heavy Duty Anti Theft Diamond Security Bicycle Lock - Super Wide Safety Master Tool ULock with Keys for Electric Bikes Scooters and Motorcycles (8.7 Inch)

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Winner

Kryptonite

22%OFF

Kryptonite New York Standard Bike U-Lock, Heavy Duty Anti-Theft, 16mm Shackle with Mounting Bracket and Keys, Ultimate Security for Bicycles E-Bikes Scooters

Available in:

2 Styles

3 Patterns

10.0

score

View on Amazon

Available in:

2 Styles

3 Patterns

What we like 🙂

1.
Hardened Steel Shackle: 16mm Max Performance Steel Shackle designed to resist hand tools, bolt cutters, and leverage attacks.
2.
Interior Locking Dimensions: Offers a 4in x 8in locking space to secure your bike effectively.
3.
Key Safe Program: First 2 replacement keys are provided for free, available globally.
4.
Anti-Theft Protection: Includes an offer for up to $4,000 reimbursement for 1 year in case of theft.
5.
Flexframe-U Bracket: Comes with a secure mounting bracket for easy transportation of the lock.

SeatyLock Mason Bike U Lock - Patented Heavy Duty Anti Theft Diamond Security Bicycle Lock - Super Wide Safety Master Tool ULock with Keys for Electric Bikes Scooters and Motorcycles (8.7 Inch)

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Kryptonite

18%OFF

Kryptonite New York Long Shackle Bike U-Lock, Heavy Duty Anti-Theft Security Bicycle Lock Sold Secure Gold, 16mm Long Shackle with Keys, Ultimate Security Lock for Bicycles E-Bikes Scooters

Available in:

2 Styles

9.7

score

View on Amazon

Available in:

2 Styles

What we like 🙂

1.
High-Security Design: 16mm hardened steel shackle resists cutting and leverage attacks.
2.
Patented Locking System: Double deadbolt design protects against twist attacks.
3.
Multi-Functional Use: Secures bikes, sports equipment, gates, and more.
4.
Key Safe Program: Free global shipping for first 2 lost keys with registration.
5.
Optional Anti-Theft Protection: Eligible for up to $4,000 coverage with registration.

Kryptonite

21%OFF

Kryptonite Evolution Mini-7 Bike U-Lock with Cable, Heavy Duty Anti-Theft Bicycle U Lock, 13mm Shackle and 10mm x4ft Length Security Cable with Mounting Bracket and Keys

9.4

score

View on Amazon

What we like 🙂

1.
Hardened Steel Shackle: 13mm Max Performance Steel Shackle designed to resist hand tools, bolt cutters, and leverage attacks.
2.
Additional Security Cable: Comes with a 10mm steel looped cable for extra security measures.
3.
Interior Locking Dimensions: Offers a locking space of 3.25 inches by 7 inches.
4.
Cable Length: Includes a 4-foot long security cable to secure the front wheel or accessories.
5.
Key Safe Program: Provides the first 2 replacement keys for free, available globally.

Hiplok

Hiplok D1000 Unisex Shackle Lock

9.1

score

View on Amazon

What we like 🙂

1.
Patented Ferosafe Material: Extremely robust U-lock made from patented Ferosafe material offering high resistance to attacks
2.
Sold-Secure Diamond Certified: Achieves the highest level of certification for safety against motorised attack methods
3.
Hardened Steel Core: Features a hardened premium steel core for additional security and durability
4.
Double Locking Tabs: Rotation-proof, double locking tabs increase the time required for potential attacks
5.
Optimised Size: Designed for the perfect balance of portability, closing comfort, weight, and safety

Kryptonite

23%OFF

Kryptonite New York Fahgettaboutit Mini Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock, 18mm Shackle with Keys, Ultimate Security Lock for Bicycles E-Bikes Scooters,Black

Available in:

2 Styles

2 Patterns

9.1

score

View on Amazon

Available in:

2 Styles

2 Patterns

What we like 🙂

1.
High-Security Design: 18mm hardened steel shackle resists cutting and leverage attacks.
2.
Patented Locking System: Double deadbolt design resists twist attacks and picking.
3.
Multi-Functional Use: Secures bikes, sports equipment, gates, and more.
4.
Key Safe Program: Free global shipping for first 2 lost keys with registration.
5.
Optional Anti-Theft Protection: Eligible for up to $5,000 coverage with registration.

Hiplok

Hiplok Dx1000 Anti Angle-Grinder U-Lock Black, One Size

9.1

score

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What we like 🙂

1.
Material: Graphene reinforced premium hardened steel shackle
2.
Lock Type: U-Lock for secure locking
3.
Length: 290mm total length
4.
Dimensions: Internal: 205mm x 112mm, External: 290mm x 180mm
5.
Weight: 5lbs 11.68oz for robust security

Kryptonite

10%OFF

Kryptonite Keeper Bike U-Lock, Anti-Theft Security Bicycle U Lock, 12mm Steel Shackle with Mounting Bracket and Keys, High Security Lock for Bicycles Scooters,Black

Available in:

4 Styles

3 Patterns

7.6

score

View on Amazon

Available in:

4 Styles

3 Patterns

What we like 🙂

1.
Hardened Steel Shackle: Resists hand tools, bolt cutters, and leverage attacks.
2.
Interior Locking Dimensions: 4" x 10" for versatile locking options.
3.
Key Safe Program: Free global shipping for first 2 lost keys.
4.
Anti-Theft Protection: Up to $500 reimbursement offer.
5.
Lifetime Warranty: Ensures long-term product reliability.

Kryptonite

23%OFF

Kryptonite Kryptolok Standard Bike U-Lock with Cable, Heavy Duty Anti-Theft Bicycle U Lock, 12.7mm Shackle and 10mm x 4ft Length Security Cable with Mounting Bracket and Keys

Available in:

5 Styles

7.3

score

View on Amazon

Available in:

5 Styles

What we like 🙂

1.
Hardened Steel Shackle: 12.7mm shackle made of performance steel to resist hand tools, bolt cutters, and leverage attacks.
2.
Steel Looped Cable: 10mm thick and 4ft long for additional security to lock wheels or accessories.
3.
Interior Locking Dimensions: Provides a locking space of 4 inches by 9 inches.
4.
Key Safe Program: Offers 2 free global key replacements in case of loss.
5.
Anti-Theft Protection: Provides up to $1,750 reimbursement in the event of a theft.

Kryptonite

15%OFF

Kryptonite Keeper Standard Anti-Theft U-Lock, Heavy Duty, 12mm Shackle, Black, Combination Lock, Lifetime

Available in:

4 Styles

3 Patterns

7.0

score

View on Amazon

Available in:

4 Styles

3 Patterns

What we like 🙂

1.
Hardened Steel Shackle: Resists hand tools, bolt cutters, and leverage attacks.
2.
Interior Locking Dimensions: 4" x 8" for versatile locking options.
3.
Key Safe Program: Free global shipping for first 2 lost keys.
4.
Anti-Theft Protection: Up to $500 reimbursement for theft.
5.
Lifetime Warranty: Ensures long-term protection and reliability.

#10

Kryptonite

22%OFF

Kryptonite Evolution Standard U-Lock, 4x9 inches, Black, 3.5 pounds

Available in:

2 Styles

7.0

score

View on Amazon

Available in:

2 Styles

What we like 🙂

1.
High-Security Design: 14mm hardened steel shackle resists cutting and leverage attacks
2.
Patented Locking System: Double deadbolt design protects against twist attacks
3.
Multi-Functional Use: Secures bikes, sports equipment, gates, and more
4.
Easy Transport: FlexFrame U-bracket for secure bike frame mounting
5.
Optional Anti-Theft Protection: Eligible for up to $3,000 coverage with ATPO

More products we considered

Bike U Lock - Sigtuna Bike Lock Heavy Duty Anti-Theft, U Bike Lock with 18mm Shackle, Bicycle Lock with Sturdy Mounting Bracket for Bicycle, E-Bike, Scooter, Motorcycle, Outdoor Equipments

View Deal

Sigtuna Bike U Lock 18mm Diameter High-Strength Steel Cutting Resistant & Sigtuna Bike U Lock 16mm Diameter High-Strength Steel- 2 Pack

View Deal

10 Best U Locks 2024 in the US

SeatyLock Mason Bike U Lock - Patented Heavy Duty Anti Theft Diamond Security Bicycle Lock - Super Wide Safety Master Tool ULock with Keys for Electric Bikes Scooters and Motorcycles (8.7 Inch)

Kryptonite New York Standard Bike U-Lock, Heavy Duty Anti-Theft, 16mm Shackle with Mounting Bracket and Keys, Ultimate Security for Bicycles E-Bikes Scooters

SeatyLock Mason Bike U Lock - Patented Heavy Duty Anti Theft Diamond Security Bicycle Lock - Super Wide Safety Master Tool ULock with Keys for Electric Bikes Scooters and Motorcycles (8.7 Inch)

Kryptonite New York Long Shackle Bike U-Lock, Heavy Duty Anti-Theft Security Bicycle Lock Sold Secure Gold, 16mm Long Shackle with Keys, Ultimate Security Lock for Bicycles E-Bikes Scooters

Kryptonite Evolution Mini-7 Bike U-Lock with Cable, Heavy Duty Anti-Theft Bicycle U Lock, 13mm Shackle and 10mm x4ft Length Security Cable with Mounting Bracket and Keys

Hiplok D1000 Unisex Shackle Lock

Kryptonite New York Fahgettaboutit Mini Bike U-Lock, Heavy Duty Anti-Theft Bicycle U Lock, 18mm Shackle with Keys, Ultimate Security Lock for Bicycles E-Bikes Scooters,Black

PENTAGON Bike U Lock - Patented Heavy Duty Anti Theft Bicycle ULock - World's Strongest Diamond 20 Sold Secure Bike Security D Lock with Keys for Bikes Electric Bikes and Scooters (6/11.8 Inch)

PENTAGON Bike U Lock Mount Holder - Multi Angular 360 Degree Adaptor D Locks & ULocks - Mounting Bracket Frame Attachment Bicycle Accessory for Bikes and Ebikes

PENTAGON Bike U Lock - Patented Heavy Duty Anti Theft Bicycle ULock - Ultra Lightweight Sold Secure Gold Bike Security D Lock with Keys for Bikes Electric Bikes and Scooters (4.72/8.66 in)

SeatyLock Mason Bike U Lock - Patented Heavy Duty Anti Theft Diamond Security Bicycle Lock - Super Wide Safety Master Tool ULock with Keys for Electric Bikes Scooters and Motorcycles (11.8 Inch)

Seatylock Mason Bike U Lock - Patented Heavy Duty Anti Theft Diamond Secure ULock - Ultra Security Bicycle Safety Tool with Keys for City Electric or Mountain Bikes and Scooters (5.5 Inch)

Hiplok Dx1000 Anti Angle-Grinder U-Lock Black, One Size

Kryptonite Keeper Bike U-Lock, Anti-Theft Security Bicycle U Lock, 12mm Steel Shackle with Mounting Bracket and Keys, High Security Lock for Bicycles Scooters,Black

Kryptonite Kryptolok Standard Bike U-Lock with Cable, Heavy Duty Anti-Theft Bicycle U Lock, 12.7mm Shackle and 10mm x 4ft Length Security Cable with Mounting Bracket and Keys

Kryptonite Keeper Standard Anti-Theft U-Lock, Heavy Duty, 12mm Shackle, Black, Combination Lock, Lifetime

Kryptonite Evolution Standard U-Lock, 4x9 inches, Black, 3.5 pounds

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Bike U Lock - Sigtuna Bike Lock Heavy Duty Anti-Theft, U Bike Lock with 18mm Shackle, Bicycle Lock with Sturdy Mounting Bracket for Bicycle, E-Bike, Scooter, Motorcycle, Outdoor Equipments

Sigtuna Bike U Lock 18mm Diameter High-Strength Steel Cutting Resistant & Sigtuna Bike U Lock 16mm Diameter High-Strength Steel- 2 Pack