Ride your bike with peace of mind with BitLock, the keyless bike lock. Using a proximity sensor via Bluetooth Low Energy, you can unlock and lock your bike with a press of a button, without even touching your phone. Working with an intelligent app, BitLock doesn’t just lock and unlock your bike, it can also find where you last put it with built-in GPS. In case you don’t have your phone or it has run out of battery, BitLock works like a traditional bike lock and can be unlocked with a four-digit code. Made of reinforced and heat treated steel, inside of BitLock is a sealed and weatherproof plastic casing for the disc locking mechanism so it can handle any and all weather and temperatures. Available in six colors, the ultra portable BitLock weighs under 2.5 pounds.