Originally Posted by
ColonelSanders
Yeah it would be easier to buy a 680mm or 685mm handlebar and cut it to size.
However I will give this handlebar a go, it has no riser though, so a pure flat bar.
https://www.bike24.com/p254648.html
I went all the way down to 580mm and it feels fine but I have my seat fairly high and back so it's not as upright position as you may ride.