Powunity BikeTrax GPS Anti-Theft Protection for E-Bikes (Shimano Steps)More security for your e bike with the Powunity BikeTrax GPS theft protection. The tracker itself is no bigger than a standard USB stick, but comes with everything a modern tracking system needs. In addition to the GPS itself, this includes an integrated SIM card, a clear smartphone app and a separate additional battery. This allows you to locate your e bike at any time, EU wide and with meter accuracy. The Powunity GPS theft protection for e bikes is