Thrills when driving in all conditions Excellent cornering performance High mileage S21 is a fantastic combination of the proven wet technology S20EVO and radically new features that improve performance in dryness Lifting to a whole new level. The superior stability of the S21 allows faster entry and exit on curves as well as a more accurate holding of the track, so that you can drive safely in corners without loss of power. For first-class handling performance, you don't have to suffer any loss of tire life. S21 achieves up to 36% more mileage than its predecessor. br>Advanced tread design and latest rubber compound technologies from Bridgestone give you the security you need in wet conditions need.