Jan Bos kijkt hoe Tijn de Studdrive aanpast. HPT Delft en Amsterdam is in Senftenberg voor de recordpogingen op de Dekra baan.
Jan Bos is looking how Tijn is working on the stud drive. The Human Power Team Delft and Amsterdam has arrived in Senftenberg (Germany) to break the world record on the one hour time trial at the Dekra test track.