Sullivan county sheriff’s office and THP observed a blue Suzuki motorcycle sport bike speeding. The bike was clocked with radar at us421 over 100mph. Chase begain and went up the popular mountain called the snake. Officers had a very hard time maintaining the speed and turns. Seemed the motorcyclest skills where at best as it lost all officers in persuit. The motorcyclest was taking turns at unbelievable speeds while dragging his knees in every turn they could see. Officers took persuit all the way to the state line of North Carolina. The Suzuki was blue and black in color with the number 46 on the front window. Rider was wearing all black leather suit with a lime green helmet. Bike had stickers on it with a blue glowing head light. Any information on who the motorcyclest please contact Sullivan county sheriff’s office or TN highway patrol.