Yamaha's FOUR wheeled "bike" Tesseract
Yamaha's FOUR wheeled "bike" Tesseract - Photo posted in Whipz 'n Stereos. YouTube - Yamaha prototype Tesseract Tokyo 2007 2 ...
http://slumz.boxden.com/f22/yamahas-four-wheeled-bike-tesseract-1553050/
http://www.motorcycle-usa.com/348/1271/Motorcycle-Article/2008-Yamaha-Tokyo-Show-Concepts.aspx
มอเตอร์ไซค์ สี่ล้อ Yamaha FOUR wheeled bike Tesseract
Frenchman designer Julien Rondinaud has projected a motorcyle concept with three inline wheels