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5 Best Secure Bike Locks of 2025

Last Updated - 2025/10/01

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Kryptonite

Kryptonite New-U Evolution Mini-7 Heavy Duty Bicycle U Lock with 4’ KryptoFlex Double Loop Bike Cable

Kryptonite

CA$149.98

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Main highlights
- Patent-Pending Hardened double deadbolt design gives additional protection against twist attacks
- New sliding dustcover
- New double deadbolt design
- Higher security disc-style cylinder is pick and drill resistant
- 13mm hardened max-performance steel shackle resists bolt cutters and leverage attacks
CA$149.98
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Kryptonite

Kryptonite Keeper 712 Integrated Bicycle Chain Lock 48-Inch (120cm)

Kryptonite

CA$78.26

More Details
Main highlights
- With a 48-inch (120cm) chain length, the Kryptonite Keeper 712 is a flexible, compact and easy to use deterrent security
- Patent-pending integrated Keeper lock head with talon deadbolt
- Patent-Pending End Link Design secures chain to hardened deadbolt eliminating critical vulnerability and providing extra holding power
- Optional US$500 Anti-theft protection for 1 year extendable and Lifetime Key Registration and Key Replacement Service available-Key Safe program
- New patent-pending pin-less link design secures chain to hardened deadbolt with no weak links
- Keeper 712 Integrated Chain Lock features 7mm four-sided chain links made from 3t manganese steel
- High security disc-style cylinder is pick and drill resistant; resists most common hand tools
- Hardened steel lock body covering cylinder includes hardened deadbolt provides extra holding power against leverage attack
- Durable weather-resistant nylon sleeve prevents scratches to painted finishes and protects the chain against the elements
- 7mm four-sided chain links made from Kryptonite’s high-performance 3t manganese steel
CA$78.26
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Sportneer

Sportneer Bike Lock: 17mm Heavy Duty Bike U Lock - High-Security Anti-Theft with 12mm x1.5m Steel Cable, 8''x5'' Compact Design, Includes Mounting Bracket for Mountain/Road/Folding/Electric Bikes

Sportneer

CA$32.99

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Main highlights
- Versatile for Every Need: Use the Sportneer bike U-lock alone or pair it with the steel cable for extra protection—it's up to you! Ideal for securing bicycles, electric bikes, children’s bikes, sports gear, ladders, barbecue grills, lawnmowers, gates, and much more. Make sure to check the size for a perfect fit.
- Tough & Secure: Engineered with a zinc alloy lock core and a reinforced alloy steel lock head, this U-lock can withstand up to 12 tons of hydraulic shear force. It’s built to resist cutting, prying, drilling, and smashing—effectively deterring thieves.
- The Perfect Gift for Cyclists: Searching for a thoughtful gift? This U-lock is an excellent choice for family, friends, or cycling enthusiasts, especially those who need reliable bike security in public spaces. A practical gift that will truly "lock" in their appreciation.
- Portable & Durable: Built to perform, the Sportneer bike U lock features a 0.67in/17mm thick alloy steel shackle and a sleek polygonal body for serious security. Compact at 7.76×5.02in and just 1.64lbs, it’s tough enough to protect, yet light enough to take anywhere. The silicone-coated exterior guards against water, dust, and scratches—keeping your gear safe and stylish.
- Double Lock & Easy Mounting: The Sportneer bike lock comes with a 5ft steel cable that works with the U lock to secure your bike to fences, posts, or poles for added protection. It also comes with a convenient mounting bracket that fits bike tubes with a diameter of 1.02 to 1.5 inches (26mm to 38mm), making it easy to carry and access your lock wherever you ride.
- 2 Keys for Extra Security: Never worry about losing your key again. The Sportneer bike locks comes with 2 sturdy keys—one for everyday use and the other as a backup. Keep one at home or work, ensuring you won‘t be stranded without access to your bike.
CA$32.99
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Sportneer

Sportneer Bike Lock, 18mm Heavy Duty Bike U Lock 11.5''x6.25'' Plus Size with 6Ft/1.8M High Security Steel Cable&Adjustable Mounting Bracket&Key Anti Theft Secure Locks for Bikes, E-Bikes, Scooters

Sportneer

CA$39.99

More Details
Main highlights
- Safe and Durable:Don’t risk your bike getting stolen! You’re in good hands with the Sportneer Bike U Lock which is cut-resistant, leverage-resistant and drill-resistant, made with 0.65in/16mm, high quality alloy steel, and covered in a 0.10in/2mm PVC cover, the lock will stay protected from wear and tear, while also protecting your bike from scratches.
- Portable U LOCK:This U-lock is both heavy enough to keep your bike safe and light enough to carry around with ease. It measures 11.5in*6.25in and can be affixed to your bike with the mounting bracket, great for all circular tripods with a diameter up to 8cm/3.15in. Toss it in your backpack or attach it to your frame for easy access!
- Got All Your Security Needs:Sportneer bike lock is made of 0.71in/18mm high-performance steel for extensive holding power and high resistance against cut and leverage attacks, This Bicycle U Lock can withstand up to 12 tons of hydraulic shear, protecting the bicycle from theft. Get the best security available and protect your ride with Sportneer bicycle locks!
- Amazing Additional 6 FT Cable:Also included is a 6ft/180cm double-looped steel cable 0.47in/12mm thick (including PVC covering). You can use the cable to lock the frame, your helmet, the wheels, or other bikes. Secure your bike to bike racks, fences, poles and more!
- Added Security:Get the same security as a car door or anti-theft door with this zinc alloy lock cylinder! The 2 included keys are rust resistant with advanced serpentine slots for added safety and security.
CA$39.99
5
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Sportneer

Sportneer Bike Lock Anti-Theft Bicycle Chain Lock Heavy Duty 0.32inch/8mm Thicker Motocycle Lock High Security with 2 Keys for Bike, Scooter, Moto, Door, Gate Fence

Sportneer

CA$39.99

More Details
Main highlights
- WEAR-RESISTANT PROTECTIVE COVER: Keep the bike chain for lock with keys in good condition as well as your bike thanks to the non-woven fabric, which resists corrosion and abrasion and prevents scratches and chips of your bike frame.
- UNIQUE WATERPROOF&DIRT-PROOF CAP: A dirty keyhole makes it difficult to open your lock, so to keep it dry and safe, we include a water and dust-proof cap for dirt and rust prevention. (Note: For longer service life, please add anti-rust solution into the keyhole on a regular basis.)
- METAL LOCK HEAD: Sportneer upgraded the lock head from general ABS plastic material to hammer-proof metal material, anti-rust coating, which ensures the bicycle lock more resistant to hammering than other locks on market. Besides, no matter what angle or object you’re trying to lock to, the 360° bike locks head swivel design makes it super easy to lock to anything.
- LOCKS MORE THAN BIKES: It’s not just a bike lock, it can lock all sorts of things! Secure your gates, doors, scooters, motorcycles, generators and even sports equipment!
- 0.32INCH DIAMETER ULTRA-THICK CHAIN: The thicker the bike lock chain, the more secure your property. Compared with common 0.24inch thick, Sportneer provide heavy duty bike lock measures 8mm/0.32inches thick. Made of premium manganese steel, it’s cut and shear resistant to prevent bike theft.
CA$39.99

5 Best Secure Bike Locks of 2025

Kryptonite New-U Evolution Mini-7 Heavy Duty Bicycle U Lock with 4’ KryptoFlex Double Loop Bike Cable

Kryptonite Keeper 712 Integrated Bicycle Chain Lock 48-Inch (120cm)

Sportneer Bike Lock: 17mm Heavy Duty Bike U Lock - High-Security Anti-Theft with 12mm x1.5m Steel Cable, 8''x5'' Compact Design, Includes Mounting Bracket for Mountain/Road/Folding/Electric Bikes

Sportneer Bike Lock, 18mm Heavy Duty Bike U Lock 11.5''x6.25'' Plus Size with 6Ft/1.8M High Security Steel Cable&Adjustable Mounting Bracket&Key Anti Theft Secure Locks for Bikes, E-Bikes, Scooters

Sportneer Bike Lock Anti-Theft Bicycle Chain Lock Heavy Duty 0.32inch/8mm Thicker Motocycle Lock High Security with 2 Keys for Bike, Scooter, Moto, Door, Gate Fence

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