Introducing the GPS Tire™, the Gravity 648 ATV tires features a 6 ply carcass with a Premium rubber compound that provides great traction yet has long life survivability. It’s popular tread design has proven to be the top choice of affordable aftermarket ATV tires & with GPS Tire’s rubber/carcass improvements makes a great choice for anyone looking for a durable replacement All-Round use ATV Sport tire. Excellent in medium/hard type terrain. The popular tread pattern in this light weight 6 ply was produced for those that would like to run a flat devise like tire Blocks, Tire Balls etc. that tends to add weight.