I USED TO RACE DIRT BIKES IN MY YOUNGER DAYS...AND I WENT OVER THE HANDLE BARS AROUND 80 MPH...UP SHIFTING INTO 6TH GEAR...
WENT OVER THE HANDLE BARS AND HIT A ROCK WITH MY FACE....BROKE MY BELL HELMET'S FACE PEICE OFF AND CRAKCED THE HELMET STRAIGHT THRU....I GOT MESSED UP, BUT THE BELL HELMET SAVED ME LIFE!!