... performance6. Available in non-marking available sizes: 4.00-8, 5.00-8, 6.00-9, 5.50-15, 6.50-10 ... , 7.00-15, 7.50-15, 7.50-16, 8.25-12, 8.25-15, 8.25-20, 15 x 4 1/2 ... x 5-9, 16 x 6-8, 18 x 7-8, 18 x 7-9, 21 x 8-9, 23 x 9-10, 27 ... 1/2-15, 200/50-10, 250-15, 300-15 21*8-9 resilient solid tires