Bin en tout cas , pour un proto , il est vachement mis en avant sur leur site , avec meme un prix de vente et presque un bouton à coté pour le commander http://salsacycles.com/bikes/powderkeg
" As you may or may not remember, the first time we publicly talked about our tandem project was way back in October of 2010. We wanted to show it to get ideas, feedback, thoughts, rants, appreciation, love, hate, and all-around opinions on what a tandem from Salsa could possibly look like."