He is founder and team manager of the Radon Flow Team .
Joost Wichman ( born 19 May 1978 , Lichtenvoorde ) is a Dutch professional mountainbiker , whose main discipline is four - cross ( 4X ) .
Joost Wichman is mountainbiker and team manager of the Radon Flow Team .
Joost Wichman ( born 19 May 1978 , Lichtenvoorde ) is a Dutch professional mountainbiker , whose main discipline is four - cross ( 4X ) .