WELL I HAVE AT SOME SAND DRAGS AT A RIVER NEAR WHERE I LIVE . THEY COULDN'T UNDERSTAND HOW I WAS SMOKING THEM .I JUST SAID ITS A FAST LAWNMOWER ISN'T IT ."LOL" WELL LITTLE DID THEY KNOW IN THE SAND WITHOUT PADDLES THEY WOULD SPIN FOR THE FIRST 20 FEET AND ME I JUST PUT IT IN 4 WHEEL DRIVE (NO TIRE SPIN) IF YOU HAVENT TRIED THIS YOU SHOULD . THE ONLY BIKES I HAD NO CHANCE WITH WAS A SHEE AND A LITTLE KID ON A KFX 400 DIDNT KNOW THOSE 400S WERE THAT FAST, BUT THEY ARE02 650NAPA #7335EPI BLACK SPRINGK&N FILTERWARN 2500LB WINCHSTOCK TIRE AND WHEELS