Team Singletrack caught up with German precision engineering company Trickstuff this summer, in its hidden factory deep in a German housing estate. Words Hannah and Wil Photography James Vincent We’re not the first to follow the ‘Trickstuff’ signs off the main thoroughfare into the residential side street – others before us have followed them in search of top hats, magic wands, and loaded decks of cards. While those expecting a magic shop may have been…