Helmetlok 4104 Carabiner Style Helmet Lock and Extension Black

Helmetlok 4104 Carabiner Style Helmet Lock and Extension Black

Amazon Product Link: http://amazon.com/dp/B01DV8BVWS/?tag=...

HelmetLok is a Carabiner-style lock, with a 4 digit programmable locking mechanism, designed to lock your helmet to your bike, while compact enough to fit in your pocket or on your belt loop
Open the lock, slip the Carabiner through your helmet's shackle, attach it to your bike and lock it, since it's not permanently mounted, you are free to attach your helmet to anywhere on your bike
The locking arm pivots outwards when open, allowing you to attach it to large diameter handlebars, bike frames, gear racks and grab rails, or around anything with a 1.5" max diameter
The 4 digit locking mechanism is made from weather resistant zinc alloy and to protect your bike, and the aluminum Carabiner is covered with a protective plastic coating
Top reviews from the United States
Enough of a deterrent to help my peace of mind.
Easy to use and does exactly what it's supposed to. It's enough of a deterrent to give a little peace of mind, but obviously if someone is gonna steal my helmet they won't care to do whatever they need to; at least I challenged them a little haha.