Falken Azenis FK520 is a summer tyre made in total of 128 sizes, ranging from R17 to R17 - 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 100mm narrower than the widest one (325). 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 is only one possible speed index for Falken Azenis FK520 - "Y", which is good for speeds up to 300 km/h.
Relevant tyre tests in same or similiar dimension (225/50 R17)

| Name | Points total | Wet | Dry | Enviromental impact | Rolling resistance | Noise | |
|---|---|---|---|---|---|---|---|
| Best values in test | 141 | 68 | 55 | 23 | 16 | 7 | |
| Falken Azenis FK520 | 135 | 62 | 52 | 21 | 15 | 6 | |
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| Falken Azenis FK520 | |||||||
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| Name | Enviromental impact | Driving safety | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 1,6 | 1,5 | |||||
| Falken Azenis FK520 | 2,4 | 2,4 | |||||
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| Name | Points total | Wet | Dry | ||||
|---|---|---|---|---|---|---|---|
| Best values in test | 279 | 141 | 139 | ||||
| Falken Azenis FK520 | 219 | 102 | 117 | ||||
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| Name | Wet | Dry | Rolling resistance | Noise | |||
|---|---|---|---|---|---|---|---|
| Best values in test | 71 | 54 | 19 | 7 | |||
| Falken Azenis FK520 | 60 | 50 | 17 | 6 | |||
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| Name | Wet | Dry | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 2+ | 1- | |||||
| Falken Azenis FK520 | 2 | 2 | |||||
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| Falken Azenis FK520 | |||||||
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| Name | Wet | Dry | Running costs | ||||
|---|---|---|---|---|---|---|---|
| Best values in test | 2+ | 1- | 1 | ||||
| Falken Azenis FK520 | 2- | 2+ | 2 | ||||
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| Name | Stopping distance on dry | Stopping distance on wet | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 58.1 | 24.8 | |||||
| Falken Azenis FK520 | 60.7 | 27 | |||||
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