Comparso qualche giorno fa su bikerumor ...
http://www.bikerumor.com/2012/06/14/spybike-bicycle-gps-tracker-vengeance-hidden-in-the-steer-tube/
http://www.bikerumor.com/2012/06/14/spybike-bicycle-gps-tracker-vengeance-hidden-in-the-steer-tube/