Schwalbe durano performance road tyre raceguardthe popular durano has a completely new profile and is now 10g lighter its outstanding qualities remain extremely high mileage dual compound for best grip even training on wet winter roads and a proven raceguard protection belt features sizeetrto 23 622 700x23c etrto 25 622 700x25c etrto 28 406 20x1 10 etrto 28 451 20x1 18 typewired compounddual executionraceguard colorblack skinlite weight23c 305g 25c 335g 2