Just came across this thread now, awesome looking bike, looks like a lot of fun to ride.
Using that logic it can't be a scam I am sure you will get your bike soon, where do I hand over my money to get one my self?
Just kidding.
Having the advantage of seeing the many many months of promises and still no refund or ebike being delivered it seems like a giant ebike Ponzi scheme.
If I was a scamming mastermind looking for a way out to keep everyone happy but obviously still keep my ill gotten gains of say $50,000. I would put the money into a super leveraged CFD stockmarket/commodities trading account that gives you x100 on your money leveraged (common leverage for CFD trading). So that's 5 million to trade with. Do a single massive trade like a buy Warren Buffetts "Berkshire Hathaway" stock just pray it pays off, get like $50,000 back in a day and repay everyone! There's more chance to win then a casino/bet, if the trade goes wrong then the $50k will disappear quick unfortunately, so got to do it right. But such people looking down the barrel of having their victims catch up with them and loosing their gains need to consider replacing the current scheme with a new scheme.
George Costanza line "I solve problems... That's what I do.."
I remember watching TV on 60 minutes about that rape-a-thon that a bunch of Croatian police committed against an Australian girl a few years ago that they finished up by murdering her.
60 minutes had a fair amount of evidence, and they also made it out to be a bit of a standard routine these police would commit against girls from overseas who visit night clubs who get drunk/vulnerable but those Croatian police are still free to this day, haven't been touched.
So I do believe there are too many problems in Croatia to get legitimate justice.