This guide will intructs you how to remove the front wheels from Protocol TerraCopter Evo. Removing the front wheels will require you to remove the propellers first then you will need to disconnect the front wheels from the drone's lower board.
Using a Phillips #0 screwdriver, remove the four screws connecting the propellers to the device.
Hold the propellers gently and pull the propellers out of the drone .
Use a plastic opening tool or a spudger to separate the drone's cover from the body of the drone.
Remove the connector of the drone body and the back wheels using a plastic opening tool.
Use the opening tool to separate the drone's body from the drone's shock absorber.
Hold the wheels gently then pull it out of the drone's lower board wheels connector.
Repeat the same step for the other front wheel.