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5 Best U Locks of 2026

Last Updated - 2026/04/07

1
Best Choice
25% Off

✖
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
25% Off

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

Kryptonite

CA$109.00

CA$144.99
(25% Off)

More Details
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$109.00
CA$144.99 (25% Off)
2
Best Value
10% Off

✖
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
10% Off

Sportneer Bike Lock: 18mm Heavy Duty Bike U Lock 11.5''x6.25'' Plus Size with 6ft/1.8m High Security Steel Cable, Anti Theft Bicycle Lock with Mounting Bracket & Keys for Road Mountain Electric Bike

Sportneer

CA$35.99

CA$39.99
(10% Off)

More Details
Main highlights
- Wide range of uses: You can use the bike u-lock alone or in combination with steel cables. This bike lock can be used to lock bicycles, children's bicycles, electric bicycles, ladders, barbecue grills, sports equipment, lawn mowers, gates, etc. (Be sure to confirm the corresponding size before purchasing to ensure it can be used).
- Portable & Rugged: The Sportneer bike U-lock is both portable and heavy-duty. It measures 29 x16cm (11.5x6.25 in), with a thickness of 18mm/0.71in, and weights 2.5lbs. Plus, its silicone coating(2.5mm/0.1in) resist water, dust, and dirt, keeping your bike scratch-free and in tip-top shape.
- Great gift: This bike locks is very suitable for family, friends or cycling enthusiasts. Especially for those who need to park their cars in public places, this lock will be a very thoughtful and reassuring gift.
- Easy to Install & Use: Equipped with a 6ft steel cable and a bracket, the bicycle U lock can secure wheels, frames, or other bikes to posts, fences, or poles. Better yet, the bracket fits bike tubes with a diameter under 2.2cm-8cm (0.87in-3.15in), allowing you to lick your bike with ease.
- Convenience and Security: Our Sportneer bike lock comes with two keys. You can carry one with you and keep the other at home or in the office to prevent accidental loss of the spare key.
- Boosted Security & Anti-Theft: Thanks to the zinc alloy lock core and alloy steel lock head, this U-lock can withstand hydraulic shear forces up to 12 tons. It’s tough as nails, resisting cutting, sawing, smashing, and drilling to protect your bike from potential theft.
CA$35.99
CA$39.99 (10% Off)
3

✖
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 Anti-Theft Bike U Lock with 12mmx1.5m Steel Cable, 20cm x 13cm High-Security Bicycle Lock with Keys & Mounting Bracket for Mountain, Road, Folding, Electric Bikes

Sportneer

CA$31.99

More Details
Main highlights
- Wide Applications: Use the bike locks alone or paired with the steel cable--you make the choice! It‘s perfect for securing bicycles, children’s bikes, electric bikes, ladders, barbecue grills, sports equipment, lawnmowers, gates, and more. Make sure to check the size to ensure a perfect fit.
- Portable & Rugged: The Sportneer bike u lock is both portable and heavy-duty. It measures 19.7×12.8cm (7.76x5.02in), with a thickness of 17mm/0.67in, and weights 1.64lbs. Plus, its unique polygonal lock body design and silicone coating resist water, dust, and dirt, keeping your bike scratch-free and in tip-top shape.
- Gorgeous Gift: Looking for a great gift for family, friends, or cycling enthusiasts? This U-lock is the perfect choice, especially for those who need to park their bikes in public places. It’s a gift that’s sure to lock in their appreciation.
- Easy to Install & Use: Equipped with a 5ft steel cable and a bracket, the bike lock can secure wheels, frames, or other bikes to posts, fences, or poles. Better yet, the bracket fits bike tubes with a diameter under 26mm–38mm (1.02in–1.5in), allowing you to lick your bike with ease.
- Boosted Security & Anti-Theft: Thanks to the zinc alloy lock core and alloy steel lock head, this bike U-lock can withstand hydraulic shear forces up to 12 tons. It‘s tough as nails, resisting cutting, sawing, smashing, and drilling to protect your bike from potential theft.
- Added Convenience and Peace-of-Mind: No more stress of being locked out if you lose your primary key. For extra peace of mind, we’ve included two bike lock keys so that you can carry one and keep the spare at home or in the office, ensuring you won‘t be stranded without access to your bike.
CA$31.99
4

✖
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.

Master Lock

Master Lock Black Bike Lock with Key, Standard Size U-Lock for Bicycles and Other Outdoor Equipment, Anti-Theft Lock for Bikes, 8320D

Master Lock

CA$25.99

More Details
Main highlights
- Protective vinyl coating helps prevent scratching
- Integrated disc keyed locking mechanism for maximum pick resistance
- Hardened steel body resists cutting, sawing and prying.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
- Double locking shackle for superior pry resistance
- Carrier bracket included for easy transportation
CA$25.99
5

✖
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.

Master Lock

Master Lock Black Bike Lock with Key, Standard Size U-Lock for Bicycles and Other Outdoor Equipment, Anti-Theft Lock for Bikes, 8320D

Master Lock

CA$24.69

CA$25.99
(5% Off)

More Details
Main highlights
- Protective vinyl coating helps prevent scratching
- Integrated disc keyed locking mechanism for maximum pick resistance
- Hardened steel body resists cutting, sawing and prying.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
- Double locking shackle for superior pry resistance
- Carrier bracket included for easy transportation
CA$24.69
CA$25.99 (5% Off)

5 Best U Locks of 2026

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

Sportneer Bike Lock: 18mm Heavy Duty Bike U Lock 11.5''x6.25'' Plus Size with 6ft/1.8m High Security Steel Cable, Anti Theft Bicycle Lock with Mounting Bracket & Keys for Road Mountain Electric Bike

Sportneer Bike Lock: 17mm Heavy Duty Anti-Theft Bike U Lock with 12mmx1.5m Steel Cable, 20cm x 13cm High-Security Bicycle Lock with Keys & Mounting Bracket for Mountain, Road, Folding, Electric Bikes

Master Lock Black Bike Lock with Key, Standard Size U-Lock for Bicycles and Other Outdoor Equipment, Anti-Theft Lock for Bikes, 8320D

Master Lock Black Bike Lock with Key, Standard Size U-Lock for Bicycles and Other Outdoor Equipment, Anti-Theft Lock for Bikes, 8320D

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