Also have the RipCurrent. When I fixed my first flat I also damaged the torque sensor. They replaced it under warranty(only had the bike for a week). IMPORTANT: Have NO air in the tire when putting the tire on. With no air you clear the gears and derailer. Still a close fit. Hope this helps.
Turn the bike upside-down on its handle bars. Make sure the control screen is turned aside to avoid damage. Should be able to easily repair the tire. If a Fat tire, make sure the tire is deflated during installation. I ride the Juiced Ripcurrent.