This TerraTrike Tour has a Tong Sheng retrofit electric assist motor added.  Mileage on the motor is only 19 miles.  It was installed in 2024.  The Tour has a 26" rear wheel, making the ride smoother than those that have 20" wheels.  Shifting is a 9 speed rear derailleur with a bar-end shifter.  Brakes are Avid disc brakes.  This trike is lower to the ground than most.