12- to 24-Inch

- 3mm thick protective layer - The archetypal high quality touring tire - E-Bike Ready. You can choose every Marathon for your E-Bike (E-25). The main sizes are approved and tested for E-bikes up to 50 km/h (E-50).

Smart Sam goes well on any terrain and even on the road it rolls effortlessly. It will roll over just about anything in the Double Defense version.