EFX Tires MotoVator R/T Tire Meet the MotoVator R/T, a novel hard pack performance tire designed by Efx, tried, and tested by desert racers. Its key feature is the lightweight structure intended for reduced rolling resistance a perfect choice for extensive desert journeys. Features: 8-ply radial construction Quality ride characteristics while maintaining low overall weight Specifications: Tire weight: 32x9.5R15 - 36 lbs. 33x9.5R15 - 40 lbs. 35x9.5R15 - 44 lbs.