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5 Best Bell Catalyst 550 U Locks of 2025

Last Updated - 2025/09/17

1
Best Choice

✖
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.

BELL

Bell Catalyst 600 Folding Bike Lock

BELL

CA$42.82

CA$46.98
(8% Off)

More Details
Main highlights
- Security level 3 of 5
- Portable Protection
- Included carry mount allows you to mount the lock to the bike, no worries on transporting the lock!
- Heavy duty design folds into compact form
- 4 digit resettable combination
CA$42.82
CA$46.98 (8% Off)
2

✖
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.

BELL

Bell Catalyst 300 U Lock, Black

BELL

CA$40.80

More Details
Main highlights
- Vinyl crossbar and shackle coating Protects bike from scratches
- Carrying Bracket with Quick release guarantees ease of Transportation
- A must on campuses and in high-crime areas.Controller Type:‎Hand Control
- 8 inch hardened steel shackle and crossbar for Tough Security
- 500 anti-theft Protection and 2 keys included
CA$40.80
3
Best Value
16% Off

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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.

Via Velo
16% Off

Bike U Lock with Cable - Via Velo Heavy Duty Bicycle U-Lock,14mm Shackle and 10mm x1.8m Cable with Mounting Bracket for Road, Mountain, Electric & Folding Bike

Via Velo

CA$29.96

CA$36.00
(16% Off)

More Details
Main highlights
- SOLD SECURE BRONZE CERTIFIED – This Via Velo bike lock model is Sold Secure Bronze certified, ensuring that this specific lock meets industry standards for reliable protection during short trips and quick stops.
- MATERIAL QUALITY OVER THICKNESS – Our locks are crafted from hardened steel, emphasizing that bike lock security depends on material quality such as hardness, impact resistance, and cut resistance rather than just thickness.
- EASY AND STRONG LOCKING SYSTEM – With a 14mm thick U-shackle (insize 7.68 in x 4.56in) and a 10mm x 180cm cable, providing quick and easy locking for your wheels and accessories, but note that the cable is not designed to secure the bike frame itself.
- DURABLE ALL-WEATHER PROTECTION – The hexagonal PVC cover protects against water, dust, and dirt, extending the lock’s lifespan and delivering dependable performance in all conditions.
- CONVENIENT AND RELIABLE SUPPORT – Includes 2 keys for daily use and backup, a high-quality mounting bracket for bike tubes (20-42mm) – please refer to our pictures for installation. Note: The bracket is not suitable for larger bike tubes such as those on fat tire bikes.
CA$29.96
CA$36.00 (16% Off)
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: 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

CA$35.99
(8% Off)

More Details
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
CA$35.99 (8% Off)
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.

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 Bell Catalyst 550 U Locks of 2025

Bell Catalyst 600 Folding Bike Lock

Bell Catalyst 300 U Lock, Black

Bike U Lock with Cable - Via Velo Heavy Duty Bicycle U-Lock,14mm Shackle and 10mm x1.8m Cable with Mounting Bracket for Road, Mountain, Electric & Folding Bike

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

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