Lynx ring lock The ring lock is a very practical way to lock your bike. It is attached to the frame of your bike and blocks the rear wheel. With this lock, the key can be removed from the lock when it is open. Specifications: Color: black Plug-in option: no Opening width: 62 mm Weight: 445 grams Material interior: steel Material casing: plastic Mounting: on frame Contents: 1 Ring lock 2 Keys