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

First day (thursday, 02.08.12, sprint):

Third day 1. part (saturday, 04.08.12, marathon woman):

Third day 2. part (saturday, 04.08.12, marathon men):

3D (GIFs, you need no glasses):

Relay video:

GoPro Hero2-video (criterium):

Relay shots WC 2012: