Uniroyal MS plus 77 is a winter tyre made in total of 76 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/50 R17 is 80mm wider than the narrowest dimension (145) and 30mm narrower than the widest one (255). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (225mm), which results in 112.5mm sidewall height. In 225/50 R17, there are 2 possible speed indexes for Uniroyal MS plus 77 - "H","V", which are good for speeds up to 210, 240 km/h. In 225/50 R17, MS plus 77 usually competes against EuroWinter HS01, which is a tyre from Falken with a rating of 53%, compared to 0% of the Uniroyal in question. Latest test in 225/50 R17 was held by Autobild in 2017, where MS plus 77 received rating "Satisfactory" and finished on the 13. place. It was tested on a .
