“I’d ride into the turn faster and faster, and then the front would start to tuck. I played with it a little and I found that when that happened, if I picked up the throttle, lifted the bike up and got the back tire moving, the front would grip again.”FREDDIE SPENCER, ON LEARNING TO SLIDE BOTH ENDS AT A TULSA, OKLAHOMA, DIRT-TRACK RACE WHEN HE WAS “14 OR 15.” Conventional wisdom is, if you lose the front, you’re done—into the bales. Spencer looks like he’s losing it in this photo—check the angle of his front wheel! But as a very young man, studying on dirt tracks in the 1970s, he found a way to recover it. Then he wondered if it could also work on pavement. Not long after, he…