 The four remaining places on the roster were taken by riders who had not been involved with the merging of the two teams , and joined RadioShack @-@ Nissan @-@ Trek from rival squads ; Jan Bakelants joined from the Omega Pharma – Lotto team , Laurent Didier from Saxo Bank – SunGard , Tony Gallopin left Cofidis to join the team , while Hayden Roulston joined from HTC – Highroad , which also ceased to exist at the end of the season . 
