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Locks that cannot be cut with bolt cutters

Updated April 17, 2017

Bicycles are often prey to opportunistic thieves due to weak locks used in public locations. To truly secure a bicycle, riders should use locks that are bolt-cutter resistant. These locks come in the form of padlocks, chains and U-shaped locks.

Oxford Nemesis chain and lock

The 16 mm Oxford Nemesis chain and lock is made from a hardened steel round shackle. This bolt-cutter proof lock features an anti-pick disc locking mechanism as well as a cloth sleeve made with a reflective material to further protect a bike. The lock comes in two sizes with five keys.

Bike Anchor hammer chain and lock

Bike Anchor produces a hammer chain and lock combination, which is drill proof, pick proof, bolt-cutter proof and freeze proof. The chain is bolt-cutter resistant due to its triple hardened chrome alloy steel and square bar stock. The lock is a case-hardened steel shackle featuring heel and toe locking. A stainless steel ball bearing a deadlock is at each end of the lock, while the rotating disc cylinder prevents theft from lock pickers.

Master Lock u-shaped bike lock

The Master Lock bike lock has a hardened steel body that prevents sawing, cutting and prying. This U-lock comes with an extra long cable and the double locking shackle can resist three metric tons of pull force. Master Lock produces these locks with a disc key that withstands picks, and the lock comes with an anti-theft guarantee. It also comes with a carrier bracket for storage, a soft grip for comfort and a sliding dust cover to protect from moisture and dirt.

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About the Author

Residing in Bristol, Va., Mitchell Land began writing for various websites in 2010. He worked as a writing center tutor at Baylor School for three years, where he also contributed music reviews to "Baylor Notes." He attends Greensboro College in North Carolina and studies theater and French.