http://www.hockenheimring.net/motorrad-weekend (http://www.hockenheimring.net/motorrad-weekend)
http://www.motorradonline.de/de/news/in-eigener-sache/ps-bridgestone-tuner-gp-2010/292893 (http://www.motorradonline.de/de/news/in-eigener-sache/ps-bridgestone-tuner-gp-2010/292893)