Looks like a lot of fun...with no ATGATT Just have to go to the Netherlands unless there's one here I don't know about!
more info and pics here...
http://www.coastersandmore.de/rides/boosterbike/boosterbike_e.shtml
more info and pics here...
http://www.coastersandmore.de/rides/boosterbike/boosterbike_e.shtml