#27 had only one leg. The kid was amazing and did pretty good in downhill races.
That is Mr Dave Clinton getting aggro doing the tabletop
#4 is Hall of Fame candidate JP "Snagletooth" Palfreyman . He is also in in second place in picture #4. Picture was taken the same day as the infamous Banzai pic. He is riding the Lynn Kastan Built "Rick's Bike Shop" looptail. He is also #78 doing that sweet pullback