Introducing Michelin's first PST siped scooter tyre Thanks to Michelin's new Progressive Sipe Technology (PST), Michelin City Grip helps prevent sliding on hazards such as wet roads and manhole covers. Michelin City Grip helps you stay in control, whatever the riding conditions. Michelin PST features: Full-depth sipes which break up the water's surface film, no matter how much the tread is worn A gradual increase in the number of sipes in contact with the ground as you lean into turns Fits: Honda 150 DYLAN (4 stroke) 2007-2009 ADV150 2021-2022 SYM GTS 250 EVO 2015 GTS 300 EVO 2015-2017 Yamaha MW155 - TRICITY 2020 NMAX 125 2017 NMAX 155 2019-2022