Metzeler Tourance NEXT Rear Tire (150/70R-17) The new Tourance NEXT. The Enduro street tire that dares you to challenge any weather condition and any road. The latest generation of Enduro Street tires, featuring new compounds, profiles, structure and tread pattern for unmatched levels of stability, safety on wet and mileage. Improved wet grip and stability. Improved mileage over previous Tourance EXP.