Deciding timetrial looks set to be a duel between leader Richie Porte and Tony Martin, currently 50 seconds behind. Porte looks like the likely overall winner.
Other good candidates for the GC podium include Machado, Talansky, Wiggins and Van den Broeck
STARTTIMES TT (local times, CET-1)
Podiumcafe likely suspect: Tony Martin , duh
Official site , Startlist , Stageinfo , General Classification
Live video:16:00 CET (10:00 US EST, 02:00 AUS EDT)
Video: RTP 2 Portugal , steephill , cyclingfans , Procyclinglive , Sports Livez.