The Minoura Dualist 700x 23c Trainer Tyre has been specifically designed to reduce tyre contact noise & create a smooth ride on turbo trainers. The 27tpi casing also reduces tyre heat when used with a turbo trainer to make the tyre last longer. Unlike almost all other turbo trainer tyres the Dualist is also suitable for use as an outdoor training tyre so you don’t have to switch tyres when the weather changes. Features can be used for indoor training & on-road riding provides quiet indoor training due to fully rubber covered side wall 27tpi casing design reduces noise & temperature for expanding tire life almost double thick (1.8mm) tread lasts longer made by Panaracer in Japan