Nope, but I did fall OFF a log bridge into a stream that was about 5' down. Not a big deal, except it was February and very very very cold. Got up, pushed my bike up the hill and tried it again. Made it the second time.
L8R
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"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, What a Ride!" - unknown
"Your Bike Sucks" - Sky Yaeger