Yes this is a used bike. Quality electric bikes with parts and service available start at $1200.
I do not work at ELV, BUT i am pretty familiar with their General inventory. I would be surprised if you could find any bike there for $250. To stay with in that price range you would have no other option then to buy a used bike or build one. But you would probably have to spend 250 or more to get a decent size lithium battery. I would suggest you do some research on electric bikes or find someone who knows something. But ELV, h has a great selection of quality electric bikes
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