Spotted this today and wanted to share, amazing:

http://www.smh.com.au/ftimages/2006/05/03/114633...

This guy is part of the http://www.pushinghigher.com/ expedition.

"In the first two weeks of June this year Jimmy Goddard and Darol Kubacz (both paraplegics) will attempt to climb Mt. Kilimanjaro in Tanzania in specialist arm powered hand-bikes."

Good on 'em and good luck!