The Video says custom frame, Di2 Allfine and shows a drop bar , all you need is Money, a good sized pile.
Summer this year a British Touring cyclist dropped in , for services not related to the drivetrain [it worked fine]
had the Versa cable brifter made to do the job, and an Alfine 11 speed hub.
the lever is sold in an 8 speed version too ..
My Google-fu finds this , without breaking into a sweat
http://www.bikeradar.com/us/news/art...ictures-33229/