Goodyear UltraGrip Performance Gen-1 is a winter tyre made in total of 99 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/50 R17 is 30mm wider than the narrowest dimension (195) 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 Goodyear UltraGrip Performance Gen-1 - "H","V", which are good for speeds up to 210, 240 km/h. In 225/50 R17, UltraGrip Performance Gen-1 usually competes against Winter i*cept evo2 W320, which is a tyre from Hankook with a rating of 0%, compared to 0% of the Goodyear in question. Latest test in 225/50 R17 was held by Automotorsport in 2015, where UltraGrip Performance Gen-1 received rating "Highly recommended" and finished on the 1. place. It was tested on a .
