Originally Posted by Tiremaniacs

Indeed the Ultremo ZX will wear faster but you get a much plusher ride on them. 4-seasons and Gatorskins from Conti will give you better mileage and the same with Ultremo DD and Durano from Schwalbe. Schwalbe tend to run a bit narrower than advertised but in some cases they are lighter than their Conti counterparts (Duranos are lighter than Gatorskins) - Great tires.