Kumho Crugen HP91 is a summer tyre made in total of 50 sizes, ranging from R16 to R16 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 235/50 R19 is 20mm wider than the narrowest dimension (215) and 40mm narrower than the widest one (275). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (235mm), which results in 117.5mm sidewall height. In 235/50 R19, there is only one possible speed index for Kumho Crugen HP91 - "V", which is good for speeds up to 240 km/h. In 235/50 R19, Crugen HP91 usually competes against Turanza T005, which is a tyre from Bridgestone with a rating of 89%, compared to 46% of the Kumho in question.