ダウンマフラーもよいと思いますた。
Here’s a nice official video starring the latest Triumph Street Triple and Street Triple R, the naked model that changed the rules of the game in its segment with its 675cc 3-cylinder 12-valves engine delivering 106 hp at 11,700 rpm and 68 Nm of peak torque at 9,200 rpm, which proved to be a perfect medium ‘between’ the torque typical of a V-Twin unit and the drag of an in-line four.
Official video Street Triple & R 2011
http://www.youtube.com/watch?v=pfNBzMQD1D4