OnGuard OG 5815 U-Lock
Best heavy duty security for budget conscious urban commuters.
A reliable, dual-layer security setup that pairs a hardened steel shackle with a flexible cable. It offers a balanced approach to theft deterrence, providing enough versatility to secure both the frame and wheels without unnecessary bulk.
$31.00
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Who it's for
- Value-conscious cyclists looking for an affordable secondary security layer
- Urban commuters who want to signal their bike is securely locked
- Minimalist riders who prioritize ease of transport over heavy-duty armor
Who should skip it
- High-end bike owners parking in high-risk metropolitan areas
- Frequent riders who prefer a rattle-free and secure frame-mounted storage
- Daily users who demand a seamless and premium tactile experience
Performance breakdown
Theft Deterrence
Hardened steel shackle offers significant resistance against common cutting and prying.
Versatility
Included cable extension makes securing both frame and wheels effortless.
Cylinder Security
Resists picking and drilling attempts for reliable, long-term locking performance.
Frame Protection
Protective coating prevents unsightly scratches and dings on your bike frame.
Portability
Quick-release bracket simplifies transport but adds bulk to the bike frame.
Weather Resilience
Automatic dust cover keeps the locking mechanism clean and functional year-round.
Key Specs
Lock Type
U-Lock with Cable
Shackle Thickness
12 mm
Cable Diameter
10 mm
Cable Length
47.24 inches
Material
Hardened steel
Locking Mechanism
Pick, pull and drill resistant cylinder
Mounting Type
Quick-release mounting bracket
Keys Included
2 laser cut keys
Know before you buy
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Ask Metto anything about the OnGuard OG 5815 U-Lock before you decide.