You have full control on icy roads with the Marathon Winter. Even in tight bends and under violent braking everything remains under control. The spikes work best on ice when running at minimum pressure, while at maximum pressure the tires can be ridden on ice-free roads with minimal road noise.Specifications:- Schwalbe profile: HS396- Schwalbe line: Performance Line- Schwalbe skin: TwinSkin- Schwalbe compound: Winter- Schwalbe puncture protection: RaceGuard- Tire type: Wired tire- Maximum pressure Bar: 5 bar- Maximum pressure PSI: 70 psi- EPI: 67