Top Bike U-Locks for Secure Bicycle Protection

The best Bike U-Locks includes Sportneer Heavy Duty U-Lock with Cable, Master Lock U-Lock (8320D) for Bicycles, Kryptonite Mini-7 U-Lock with Cable and many others as mentioned below.

1

Sportneer Heavy Duty U-Lock with Cable

  • Heavy-duty design for maximum bike security.
  • Includes a 5ft security steel cable.
  • Resistant to water, dust, and dirt.
  • Fits bike tubes under 1.5 inches diameter.
  • Withstands hydraulic shear forces up to 12 tons.
  • Comes with two keys for convenience.
  • Ideal for various outdoor equipment and bicycles.
  • Average Rating out of 5:
  • Price Range: $26.99
  • Material: Alloy Steel, Silicone, Polyvinyl Chloride, Zinc
2

Master Lock U-Lock (8320D) for Bicycles

  • Hardened steel body resists cutting and sawing.
  • Double locking shackle enhances pry resistance.
  • Protective vinyl coating prevents scratching.
  • Integrated disc keyed locking mechanism for security.
  • Includes carrier bracket for easy transportation.
  • Standard size fits most bicycles and outdoor equipment.
  • Ideal anti-theft lock for your bike.
  • Average Rating out of 5:
  • Price Range: $16.99
  • Size: ‎7-1/4 inch U-lock
  • Material: Vinyl, Alloy Steel
3

Kryptonite Mini-7 U-Lock with Cable

  • Durable 13mm hardened steel shackle resists attacks.
  • Versatile for securing bikes, tools, and equipment.
  • Includes 4ft steel cable for extra security.
  • Easy transport with FlexFrame U-bracket included.
  • Pick and drill resistant lock cylinder design.
  • Eligible for anti-theft protection up to $2,500.
  • Lifetime warranty and dedicated customer service support.
  • Average Rating out of 5:
  • Price Range: $69.99
  • Size: ‎Mini
  • Material: Alloy Steel
4

VVA Heavy Duty Bike U Lock with Cable

  • Heavy duty 20mm shackle for maximum security.
  • Includes 4ft steel security cable for added protection.
  • Silicone cover prevents scratches on your bike.
  • Easy installation with high-quality mounting bracket.
  • Lightweight and portable for convenient carrying.
  • Certified anti-theft performance to deter criminals.
  • Suitable for various bicycle types and styles.
  • Average Rating out of 5:
  • Price Range: $25.45
  • Size: ‎short
  • Material: kirsite+silicone
5

Kryptonite Keeper U-Lock (12mm Shackle)

  • 12mm hardened steel shackle for maximum security.
  • Resistant to cutting and leverage attacks.
  • Versatile for securing bicycles and sports equipment.
  • Interior dimensions: 4 in. x 8 in.
  • Includes two ergonomic stainless steel keys.
  • Durable vinyl coating prevents scratching.
  • Convenient bracket for easy transport on bike.
  • Average Rating out of 5:
  • Price Range: $36.91
  • Size: ‎4" x 8" 12mm
  • Material: Hardened Steel
6

Kryptonite New York Standard U-Lock (16mm)

  • 16mm hardened steel shackle for maximum security.
  • Resists hand tools, bolt cutters, and leverage attacks.
  • Includes a secure mounting bracket for easy transport.
  • Kryptonite key safe program ships two keys globally.
  • Anti-theft protection offers up to $4,000 reimbursement.
  • Versatile Flexframe-U bracket fits various bike styles.
  • Ultimate security for bicycles, e-bikes, and scooters.
  • Average Rating out of 5:
  • Price Range: $118.03
  • Material: Alloy Steel
7

Via Velo Heavy Duty U-Lock with Cable

  • Sold Secure Bronze certified for reliable protection.
  • Hardened steel for enhanced security and durability.
  • Hexagonal PVC cover for all-weather protection.
  • 14mm thick U-shackle for strong locking.
  • 10mm x 180cm cable for quick locking.
  • Includes 2 keys for convenience and backup.
  • High-quality mounting bracket for easy installation.
  • Average Rating out of 5:
  • Price Range: $31.86
  • Size: ‎29.5cm x 20cm x 6.5cm
  • Material: Hardened steel - Sold Secure Bronze
8

USHAKE Heavy Duty Bike U Lock

  • Keys-free combination lock for added convenience.
  • Customize your own 4-digit security code.
  • 10 mm hardened zinc alloy shackle for durability.
  • PVC coating protects against scratches and damage.
  • Heavy-duty design weighs 1.25 pounds for strength.
  • High-security cylinder resists dust and tampering.
  • Customer service available for any issues.
  • Average Rating out of 5:
  • Price Range: $23.99
  • Material: Alloy Steel, Plastic, Metal, Polyvinyl Chloride, Zinc
9

Schwinn Heavy Duty U-Lock for Bicycles

  • Heavy duty U-lock for maximum security.
  • Key lock mechanism for added protection.
  • 4 feet x 8 mm braided steel cable.
  • Self-coiling design for convenient storage.
  • Tough vinyl cover prevents scratches and weather damage.
  • Includes carrying bracket for easy transport.
  • Comes with 2 keys for convenience.
  • Average Rating out of 5:
  • Price Range: $14.36
  • Size: ‎4 Foot/8mm Cable
  • Material: Steel
10

NDakter Heavy Duty Bike Lock with Cable

  • 4-digit resettable combo for keyless convenience.
  • Hardened steel shackle for enhanced anti-theft security.
  • Large U shape for greater locking space.
  • Includes 5ft steel cable for added versatility.
  • Lightweight design for easy portability.
  • Multi-purpose lock for various uses and items.
  • Average Rating out of 5:
  • Price Range: $32.99
  • Material: Alloy Steel, Polyvinyl Chloride, Zinc
11

Kryptonite Kryptolok U-Lock with Cable

  • 12.7mm hardened steel shackle resists cutting tools.
  • 10mm steel looped cable provides additional security.
  • Secure your bike with heavy-duty anti-theft lock.
  • Includes flexible mounting bracket for easy transportation.
  • Free key replacement service for lost keys.
  • Anti-theft protection with $1,750 reimbursement offer.
  • Compact design for convenient carrying and storage.
  • Average Rating out of 5:
  • Price Range: $51.00
  • Size: ‎4" x 9" 12.7mm & 10mm x 122cm
  • Material: Alloy Steel
12

Sportneer Heavy Duty U Lock with Cable

  • Heavy-duty U-lock with 18mm shackle
  • Includes 6ft security steel cable
  • Portable design, weighs only 2.5lbs
  • Water and dust-resistant silicone coating
  • Easy installation with sturdy mounting bracket
  • Secure locking mechanism withstands 12 tons force
  • Versatile use for various items, not just bikes
  • Average Rating out of 5:
  • Price Range: $26.59
  • Material: Metal
13

Alshaay Heavy Duty U Lock with Cable

  • Heavy duty, silicone-coated U lock for protection.
  • 12-ton shear resistance for ultimate security.
  • Concealed screws enhance aesthetics and safety.
  • Heat-resistant lock cylinder for added durability.
  • Includes 4ft steel cable for versatile use.
  • Easy installation with high-quality mounting bracket.
  • Perfect gift for bike enthusiasts and commuters.
  • Average Rating out of 5:
  • Price Range: $29.99
  • Size: ‎Small
  • Material: High Speed Steel
14

Sigtuna Heavy Duty Bike U-Lock & Cable

  • Heavy duty U-lock for superior bike security.
  • Includes a durable 4ft cable for added protection.
  • Sturdy mounting bracket for easy bike attachment.
  • Made from high-quality steel for long-lasting use.
  • Quick unlocking and locking with hand control.
  • Versatile for mountain bikes, e-bikes, and scooters.
  • Lightweight design for convenient transportation and storage.
  • Average Rating out of 5:
  • Price Range: $18.89
  • Size: ‎Medium - Diameter(16mm)
  • Material: Alloy Steel
15

NDakter Heavy Duty Bike U Lock with Cable

  • Heavy duty anti-theft U lock with cable
  • 18mm thick shackle for enhanced security
  • Includes 3 keys for convenience
  • Ergonomic design for easy handling
  • Versatile for multiple vehicles and equipment
  • Durable construction for maximum protection
  • Prevents leverage and cutting attacks
  • Average Rating out of 5:
  • Price Range: $29.76
  • Material: Brass
16

INTEKIN Heavy Duty Bike U Lock Set

  • Heavy-duty carbon steel construction for durability.
  • Cutting-resistant and leverage-resistant design.
  • Includes a flexible security cable for added protection.
  • Lock cylinder prevents technical opening and blockage.
  • Large size fits most bicycles and motorcycles.
  • Easy installation with included mounting bracket.
  • Perfect for securing various outdoor equipment.
  • Average Rating out of 5:
  • Price Range: $25.99
  • Size: ‎Black Small U Lock with 5ft cable
  • Material: Alloy Steel, Silicone, Copper, Polyvinyl Chloride
17

NDakter Heavy Duty U Lock with Chain

  • Heavy-duty 18mm hardened steel shackle.
  • Includes 4FT x 6mm durable chain.
  • Weatherproof and scratch-resistant design.
  • Comes with 3 strong brass keys.
  • Ergonomic design prevents technical opening.
  • Suitable for multiple lock-up options.
  • Perfect for bikes, scooters, and more.
  • Average Rating out of 5:
  • Price Range: $35.99
  • Material: Brass
18

UBULLOX Heavy Duty U Lock with Cable

  • 16mm alloy steel construction for superior strength.
  • Cutting-resistant, leveraging-resistant, and drill-resistant design.
  • C grade copper lock cylinder prevents technical opening.
  • Includes two rust-resistant copper keys for security.
  • 4ft steel cable offers flexible locking options.
  • Compact size for easy portability and storage.
  • Mounting bracket simplifies attachment to bike frame.
  • Average Rating out of 5:
  • Price Range: $23.64
  • Size: ‎1.2m cable
  • Material: Alloy Steel
19

OTTOLOCK Sidekick Compact U-Lock (Heavy Duty)

  • Compact and lightweight design for easy portability.
  • Durable silicone coating prevents bike frame damage.
  • Heavy-duty 12mm hardened steel for security.
  • Anti-rotation deadbolt enhances lock stability.
  • Includes three keys for convenient access.
  • Fits in bags, backpacks, or pockets effortlessly.
  • Perfect for kids and new riders' security.
  • Average Rating out of 5:
  • Price Range: $32.95
  • Size: ‎Compact
  • Material: Alloy Steel
20

Kryptonite Fahgettaboutit Mini U-Lock (18mm)

  • 18mm hardened steel shackle for ultimate security.
  • Patented double deadbolt design resists twist attacks.
  • High-security disc-style cylinder prevents picking and drilling.
  • Ideal for bicycles, e-bikes, and various equipment.
  • Includes three keys for convenience and backup.
  • Optional Anti-Theft Protection Offer up to $5,000.
  • Lifetime warranty for peace of mind and support.
  • Average Rating out of 5:
  • Price Range: $159.99
  • Color: Black
  • Material: Alloy Steel
21

Febabilo Heavy Duty U Lock with Cable

  • 4-digit resettable combination for keyless convenience.
  • Heavy-duty 0.57-inch hardened steel for maximum security.
  • Large U shape fits most bike frames easily.
  • Includes 5ft steel cable for securing multiple bikes.
  • PVC coating protects against scratches and weather damage.
  • Multi-purpose use for bikes, scooters, and more.
  • Average Rating out of 5:
  • Price Range: $26.99
  • Size: ‎Combo Bike U Lock with 5ft Cable
  • Material: Alloy Steel
22

Seatylock Mason U Lock - Heavy Duty Security

  • Lightweight and portable design for easy transport.
  • Ultra-secure diamond shape for maximum theft protection.
  • Anti-cut, waterproof, and weatherproof construction.
  • Compact bike accessory for urban and outdoor cycling.
  • Unique keyhole shutter protects against dirt and debris.
  • Double thickness plates enhance security and durability.
  • Ideal for bikes, scooters, and motorcycles.
  • Average Rating out of 5:
  • Price Range: $74.98
  • Size: ‎7.1 inch - 18 cm
  • Material: Hardened Steel with Nylon 6 & Glass Fibers Cover
23

BRINKS Mini U-Bar Bike Lock [3 7/8”]

  • Durable steel lock body for maximum security.
  • Weather resistant design for outdoor use.
  • 7-pin pick resistant tumbler for added protection.
  • Cut resistant up to 5,000 lbs force.
  • Coated shackle prevents scratching and wear.
  • Compact size for easy portability and storage.
  • Lifetime warranty for long-term peace of mind.
  • Average Rating out of 5:
  • Price Range: $17.28
  • Material: Alloy Steel
24

Alshaay Heavy Duty U Lock with Cable

  • High-strength hardened steel for maximum security.
  • 12 tons hydraulic shear resistance ensures durability.
  • Pure copper locking core resists leverage attacks.
  • Silicone layer prevents scratches on bike paint.
  • Dust cover prolongs lock core service life.
  • Flexible design fits various bike models easily.
  • Compact and easy to carry for convenience.
  • Average Rating out of 5:
  • Price Range: $29.99
  • Size: ‎Short
  • Material: High Speed Steel
25

Linn Heavy Duty U Lock with Cable

  • Heavy-duty hardened steel shackle for durability.
  • 14mm U lock resists cutting and sawing.
  • Includes 3.77ft durable woven steel cable.
  • Double layer security for added protection.
  • Comes with 3 rust-resistant copper keys.
  • Dust cover protects against corrosion and debris.
  • Portable with easy-to-install mounting bracket.
  • Average Rating out of 5:
  • Price Range: $15.99
  • Material: Alloy Steel, Copper
26

Sportneer Heavy Duty Bike U Lock

  • Effortless keyless locking in seconds.
  • 18mm thick lock for maximum security.
  • Soft silicone protects your bike's paint.
  • Anti-pry and anti-drill dual-locking mechanism.
  • Lightweight design at just 0.86kg.
  • Includes 5ft security steel cable.
  • Comes with 3 durable anti-rust keys.
  • Average Rating out of 5:
  • Price Range: $25.99
27

Kryptonite KryptoLok U-Lock Combo (12.7mm)

  • 12.7mm hardened steel shackle for maximum security.
  • Customizable 4-digit resettable combination for convenience.
  • Double deadbolt locking for enhanced protection.
  • Versatile for bikes, tools, and sports equipment.
  • Compact and portable for easy transport.
  • Protective vinyl coating prevents scratches.
  • Rotating dust cover extends lock lifespan.
  • Average Rating out of 5:
  • Price Range: $52.29
  • Size: ‎Size
  • Material: Vinyl, Alloy Steel
28

Kryptonite New York U-Lock (16mm)

  • 16mm hardened steel shackle for ultimate security.
  • Patented double deadbolt design resists twist attacks.
  • High-security disc-style cylinder against picking and drilling.
  • Multi-functional for various securing needs.
  • Includes three keys for convenience.
  • Optional anti-theft protection up to $4,000.
  • Lifetime warranty for peace of mind.
  • Average Rating out of 5:
  • Price Range: $131.47
  • Size: ‎4" x 10.25" 16mm
  • Material: Alloy Steel
29

Kryptonite Evolution U-Lock [4x9"]

  • 14mm hardened steel shackle for maximum security.
  • Patented double deadbolt design resists twist attacks.
  • High-security disc-style cylinder prevents picking and drilling.
  • Ideal for securing bicycles and outdoor equipment.
  • Includes three ergonomic stainless steel keys.
  • Convenient FlexFrame-U bracket for easy transport.
  • Lifetime warranty for peace of mind.
  • Average Rating out of 5:
  • Price Range: $23.99
  • Material: Alloy Steel
30

KENRONE Heavy Duty U Lock (4 Digit)

  • 4-digit combination for enhanced security.
  • No key needed for convenient use.
  • Durable zinc alloy construction prevents theft.
  • Waterproof design for all weather conditions.
  • Easy to set and change password.
  • Suitable for bicycles, motorcycles, and more.
  • Lightweight and portable for travel convenience.
  • Average Rating out of 5:
  • Price Range: $19.99
  • Material: Polycarbonate, Zinc