Uniroyal MS plus 77 is a winter tyre made in total of 76 sizes, ranging from R13 to R13 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 185/65 R15 is 40mm wider than the narrowest dimension (145) and 70mm narrower than the widest one (255). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (185mm), which results in 120.25mm sidewall height. In 185/65 R15, there is only one possible speed index for Uniroyal MS plus 77 - "T", which is good for speeds up to 190 km/h. In 185/65 R15, MS plus 77 usually competes against WR Snowproof, which is a tyre from Nokian with a rating of 55%, compared to 55% of the Uniroyal in question. Latest test in 185/65 R15 was held by ADAC in 2016, where MS plus 77 received rating "Satisfactory" and finished on the 11. place. It was tested on a .
