#10 Master Lock 8200D from Toughest Bike Locks

Toughest Bike Locks

Master Lock
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#10 Master Lock 8200D

Theft Insurance: $3,500

Security: 9/20

Utility: 3/10

This sturdy feeling “street cuff” from Master Lock wins points for its tough—and suggestive—appearance and singular design. It folds away for easy transport, thwarts leverage attacks with its pivot link and might even turn away thieves who’ve never encountered one before. A crook with a power tool, though, can make fairly short work of the underwhelming steel closures. Also, its short length and the cuff’s small, 3-inch opening severely limit locking options.

$65; masterlockbike.com