Don’t know if these guys are still active. About 10 years ago they’d build you one for $37,500 Champion Moto
As Youtuibe wants me to pay or look at adverts I’m looking for a different place to watch rubbish that’s not the BBC and found these on Dailymotion
The So-Cal Miler
The Streetmaster
The Brighton
Or you could just build your own I suppose,