Overview
PROS
CONS
SPECS
Lock Type
Material
Size
Thickness
Security
Our Top Choice
OnGuard Bulldog DT
OnGuard Lock, like a dog with a bone, relentlessly obsesses about security so that its customers don’t have to.
Thick bar and cable. Heavy-duty, secure, and weatherproof. Easy-to-use keys and cable for extra security.
Its locking mechanism is somewhat tedious.
Code
Braided steel
11.6 x 7.8 x 2.2 inches; 1 lbs
11mm (0.43 inches)
Shackle and steel cable
Best Value
Sigtuna Gear 16mm Bike Lock + Cable Combo
Sigtuna Gear is made up of a team of bike-loving Swedes committed to making prime-quality bicycle gear.
Strong, heavy-duty bike security. Easy to use and attach to the bike. Comes with detailed instructions.
This U-lock is a little heavy.
Key
Steel
9.4 x 7 x 1.9 inches; 3.1 lbs
16mm (0.63 inches)
Double bolt mechanism
Kryptonite New York Fahgettaboudit Mini
Kryptonite was created to employ innovative solutions to enable bikers to protect what they value, keeping it safe from people who would steal it.
Strong, heavy-duty, and small in size. Difficult to forcefully open. High-quality and appraised.
The lock is surprisingly heavy.
Code
Steel
2 x 5.7 x 9.2 inches; 4.4 lbs
18mm (0.71 inches)
Double deadbolt locking
ABUS Yellow Mini 40 U-Lock
Abus is a leading brand when it comes to matters of security and has become synonymous with thief-proof protection.
Lightweight, high-security lock can be carried on your belt or in your pocket. Buttery smooth locking mechanism.
It doesn’t come with a mounting bracket.
Key
Hardened steel
5.1 x 7.2 x 1.4 inches; 2 lbs
14mm (0.55 inches)
Double bolt mechanism
Cocoweb ARMBAR Heavy Duty U-Lock
Cocoweb creates products that receive rave reviews, and its U-lock combo packs aren’t exempted, as it’s been known to produce efficient locks.
Affordable, high-level security U-lock. Locks both tire and frame to a post. Lock and mount are PVC-coated.
Its customer support could be better.
Key
Alloy steel
2.5 x 11 x 7 inches; < 3 lbs
15mm (0.6 inches)
Quick snap carrier