Kumho WinterCraft WP71 is a winter tyre made in total of 54 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/50 R17 is 20mm wider than the narrowest dimension (205) and 50mm narrower than the widest one (275). 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 Kumho WinterCraft WP71 - "H","V", which are good for speeds up to 210, 240 km/h. In 225/50 R17, WinterCraft WP71 usually competes against WR Snowproof P, which is a tyre from Nokian with a rating of 62%, compared to 0% of the Kumho in question. Latest test in 225/50 R17 was held by Autobild in 2017, where WinterCraft WP71 received rating "Satisfactory" and finished on the 12. place. It was tested on a .