（デュオレバーサスペンション）
Promotional Video for the BMW K1200S Sport Bike featuring
the 20.8KM Nurburgring Nordschleife from the point of view of
Markus Barth as he laps the north loop in under 8 minutes.
From http://www.face-the-power.com
Nurburgring Nordschleife (北オールドコース）参考資料
http://ameblo.jp/ghostripon/entry-10133475821.html
http://www.youtube.com/watch?v=fKxj66PEigk