Rovan Rear Knobby MT Off Road Tires (2) Fits HPI Baja 5B SS 2.0 King Motor Buggy Buggy Rear Knobby MT Tires (set of 2) A must have for grass, mudd, loose soft dirt etc... These are 6 1/4 inches tall x 3 1/4 inches wide. (170 x 80) This is a set of 2 rear tires ready to bolt right on to you baja buggy beadlock rims. Fits HPI Baja 5B, Rovan Sport 1/5 Buggies, Kingmotor 1/5 Buggies