SEVEN-time Tour de France winner Lance Armstrong has acknowledged inspirational Melbourne president Jim Stynes via Twitter.

The two sporting greats spoke of their battle with cancer and provided great inspiration to each other.

Armstrong spoke highly of Stynes in his Tweet.

“Just had a great chat with Jim Stynes. He's hanging tough and changing lives everyday through @wearereach. #inspirational,” Armstrong Tweeted.

Stynes was also delighted to meet the cycling great.

“Took a trip today w Jules 2Adelaide 4 great chat w Lance Armstrong, what an inspirational being,” Stynes Tweeted.