Jens' Homepage (Effendi and book "Tretrollersport")
Deutscher Tretrollerverband (Internationale Tretrollerseite)
My YouTube-videos

Rennergebnisse findet man bei

Main page with some selected pics from WC 2012 and videos:

About different scooter at WC 2012:

About people at

Second day (friday, 03.08.12):

Third day 1. part (saturday, 04.08.12):

Third day 2. part (saturday, 04.08.12):

3D (Photos as GIFs, you need no glasses, video 2D/3D switchable):

Sprint races video:

Sprint shots WC 2012: