Australian was dropped in the finale but hangs onto second overall as mechanical took place inside the final 3km.
The Australian is running out of time to claw back time on Richard Carapaz but he believes the penultimate stage will prove decisive.
Vincenzo Nibali and João Almeida lose time in the overall standings as podium starts to take shape.
The three strongest climbers in the race are evenly matched but Hindley is closing in on pink.
'We’re in the lead and we know what we have to do. So it’s basically up to us to get the job done,' Porte writes in his exclusive VeloNews Giro blog.
Newly confident Australian aims at the top step in this year's race.
Carapaz has the strongest team but Bora and Bahrain have cards to play, and Almeida remains a threat.
Bora-Hansgrohe rider says the peloton was feeling the pain after a tough day out in Turin on Saturday.
The team pulled the race apart with more than 80k to go and delivered Jai Hindley into second place overall.
Yates goes solo to reverse his bruising defeat on Blockhaus as Richard Carapaz seizes control of the pink jersey.
Mountain bike ace Zwiehoff turns full attention to career on the road: 'I'm a road cyclist now, not a mountain biker.'
Bora-Hansgrohe rider climbed the classification after making stage 12 breakaway but says he's not 'good enough' in the long climbs to return to GC fight.
Jai Hindley says Wilco Kelderman is 'super unfortunate' but the team is still targeting overall podium.
‘This just sucks,’ said the Dutch rider about losing massive time on the stage to Blockhaus.
Hindley emerges from season lost to sicknesses and saddlesores to vault into GC contention in race where he first flashed his grand tour potential.
Australian takes the stage win on a key GC day that sees Simon Yates drop out of contention.
Kämna kicks to second grand tour win as he reaps rich run of form after a 2021 derailed by health problems: 'I'm even better than I expected myself'
Juan Pedro López takes the pink jersey as Tom Dumoulin's GC hopes shatter in Sicily.
Former Tour de France green jersey kicks back from a bleak 12 months and return some big favors from Bora-Hansgrohe.
A little creative filing to bridge the gap between integrated and non-integrated components.