Description Technical Specs HPI pair of Dirt Buster Block rear tires are bead lock wheels with five spoke design Black color wheels with gray bead lock rings Bead lock held in place with ten 2.5X10mm socket head cap screws Preassembled Dirt Buster Block tires Metric tires size, 170X80mm, shown on the outside tire sidewall INCLUDES: Two mounted tires on black wheels Required Parts Installation