Size: 12.5 x 2.75 (12 1/2 x 2 3/4) knobby tire for off-road riding OEM Replacement for Burromax TT250 and TT350R Fits most major brands of electric mini bikes, pit bikes, pocket bikes with the same tire size Made of high quality heavy duty rubber found in most high end road tires Package Includes one tire with inner tube Burromax OEM Replacement Tire with Inner Tube, 12.5X2.75 (Part #10146) for all Burromax TT250 and TT350R. May fit other electric mini bikes or pit bikes with the same tire size. Make sure the tire you are replacing is the exact same size. Made of high quality heavy duty rubber found in most high end road tires. Fits an 8" diameter rim/wheel.