Running 137 cranks on my 29. Should have hit the brake instead of back pressure.
https://www.youtube.com/watch?v=_CgUBbZ96Gc&feature=youtube_gdata_player
Any damage?
I can do that:)
But seriously,inferring I’d just made free with the humour - hope you’re OK
Ouch! hope your OK and the uni and the camera and your pride! 
I think thats the right order.
But apart from the tumble you seem to have made alot of progress from previous clips you’ve posted?