motor

Please help me decide which system makes the most sense. Bosch seems the best from his reviews but it's also the most expensive. I'll be commuting 30miles round trip with the option to recharge half way. I've got lots of hills to climb. What do you think?

On my first day of vacation in NC Outer Banks, I got caught by a the rements of a wave washing up while riding along the brim. All seemed okay till an hour later after the bike sat a little. I now get a code #30 on the display and the word maintain. The power/PAS Level/controller shuts down...