Keeper Standard 12mm Hardened Steel Lock

Updated 2026-09-05

The Keeper Standard is a versatile 12mm hardened steel U-lock that provides dependable security for bicycles, gates, and fences. Its straightforward design focuses on essential protection, utilizing a hardened shackle that resists basic hand tool attacks. This model is an excellent entry-point for reliable keyed security in lower-risk areas.

The lock features a high-security disc-style cylinder that is designed to be pick and drill resistant. Its standard dimensions allow it to fit around most bike frames and common street furniture easily. The protective coating on the shackle ensures that the lock remains weather-resistant and does not scratch the surfaces it secures.

This SKU is particularly useful for those who need a multi-purpose lock for home security or short-term bike parking. The keyed mechanism is simple to operate and comes with two keys for convenience. It offers a practical balance of weight and strength for everyday use in suburban or low-traffic urban settings.

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